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CERTFR-2026-AVI-0514
Vulnerability from certfr_avis - Published: 2026-04-29 - Updated: 2026-04-29
De multiples vulnérabilités ont été découvertes dans Curl. Elles permettent à un attaquant de provoquer une atteinte à la confidentialité des données et un contournement de la politique de sécurité.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Curl | cURL et libcurl | Curl versions postérieures ou égales à 7.10.6 et antérieures à 8.20.0 |
References
| Title | Publication Time | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Curl versions post\u00e9rieures ou \u00e9gales \u00e0 7.10.6 et ant\u00e9rieures \u00e0 8.20.0",
"product": {
"name": "cURL et libcurl",
"vendor": {
"name": "Curl",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-1965",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-1965"
},
{
"name": "CVE-2026-6429",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6429"
},
{
"name": "CVE-2024-11053",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-11053"
},
{
"name": "CVE-2026-6253",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6253"
},
{
"name": "CVE-2026-7009",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-7009"
},
{
"name": "CVE-2026-4873",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-4873"
},
{
"name": "CVE-2026-5773",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-5773"
},
{
"name": "CVE-2026-6276",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6276"
},
{
"name": "CVE-2026-7168",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-7168"
},
{
"name": "CVE-2026-5545",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-5545"
}
],
"initial_release_date": "2026-04-29T00:00:00",
"last_revision_date": "2026-04-29T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0514",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-04-29T00:00:00.000000"
}
],
"risks": [
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Curl. Elles permettent \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et un contournement de la politique de s\u00e9curit\u00e9.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Curl",
"vendor_advisories": [
{
"published_at": "2026-04-29",
"title": "Bulletin de s\u00e9curit\u00e9 Curl CVE-2026-6429",
"url": "https://curl.se/docs/CVE-2026-6429.html"
},
{
"published_at": "2026-04-29",
"title": "Bulletin de s\u00e9curit\u00e9 Curl CVE-2026-6253",
"url": "https://curl.se/docs/CVE-2026-6253.html"
},
{
"published_at": "2026-04-29",
"title": "Bulletin de s\u00e9curit\u00e9 Curl CVE-2026-5545",
"url": "https://curl.se/docs/CVE-2026-5545.html"
},
{
"published_at": "2026-04-29",
"title": "Bulletin de s\u00e9curit\u00e9 Curl CVE-2026-4873",
"url": "https://curl.se/docs/CVE-2026-4873.html"
},
{
"published_at": "2026-04-29",
"title": "Bulletin de s\u00e9curit\u00e9 Curl CVE-2026-7168",
"url": "https://curl.se/docs/CVE-2026-7168.html"
},
{
"published_at": "2026-04-29",
"title": "Bulletin de s\u00e9curit\u00e9 Curl CVE-2026-7009",
"url": "https://curl.se/docs/CVE-2026-7009.html"
},
{
"published_at": "2026-04-29",
"title": "Bulletin de s\u00e9curit\u00e9 Curl CVE-2026-5773",
"url": "https://curl.se/docs/CVE-2026-5773.html"
},
{
"published_at": "2026-04-29",
"title": "Bulletin de s\u00e9curit\u00e9 Curl CVE-2026-6276",
"url": "https://curl.se/docs/CVE-2026-6276.html"
}
]
}
CVE-2024-11053 (GCVE-0-2024-11053)
Vulnerability from cvelistv5 – Published: 2024-12-11 07:34 – Updated: 2025-11-03 20:36
VLAI
EPSS
VEX
Title
netrc and redirect credential leak
Summary
When asked to both use a `.netrc` file for credentials and to follow HTTP
redirects, curl could leak the password used for the first host to the
followed-to host under certain circumstances.
This flaw only manifests itself if the netrc file has an entry that matches
the redirect target hostname but the entry either omits just the password or
omits both login and password.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-12-15 16:47 UTC
Assigner
References
7 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| curl | curl |
Affected:
8.11.0 , ≤ 8.11.0
(semver)
Affected: 8.10.1 , ≤ 8.10.1 (semver) Affected: 8.10.0 , ≤ 8.10.0 (semver) Affected: 8.9.1 , ≤ 8.9.1 (semver) Affected: 8.9.0 , ≤ 8.9.0 (semver) Affected: 8.8.0 , ≤ 8.8.0 (semver) Affected: 8.7.1 , ≤ 8.7.1 (semver) Affected: 8.7.0 , ≤ 8.7.0 (semver) Affected: 8.6.0 , ≤ 8.6.0 (semver) Affected: 8.5.0 , ≤ 8.5.0 (semver) Affected: 8.4.0 , ≤ 8.4.0 (semver) Affected: 8.3.0 , ≤ 8.3.0 (semver) Affected: 8.2.1 , ≤ 8.2.1 (semver) Affected: 8.2.0 , ≤ 8.2.0 (semver) Affected: 8.1.2 , ≤ 8.1.2 (semver) Affected: 8.1.1 , ≤ 8.1.1 (semver) Affected: 8.1.0 , ≤ 8.1.0 (semver) Affected: 8.0.1 , ≤ 8.0.1 (semver) Affected: 8.0.0 , ≤ 8.0.0 (semver) Affected: 7.88.1 , ≤ 7.88.1 (semver) Affected: 7.88.0 , ≤ 7.88.0 (semver) Affected: 7.87.0 , ≤ 7.87.0 (semver) Affected: 7.86.0 , ≤ 7.86.0 (semver) Affected: 7.85.0 , ≤ 7.85.0 (semver) Affected: 7.84.0 , ≤ 7.84.0 (semver) Affected: 7.83.1 , ≤ 7.83.1 (semver) Affected: 7.83.0 , ≤ 7.83.0 (semver) Affected: 7.82.0 , ≤ 7.82.0 (semver) Affected: 7.81.0 , ≤ 7.81.0 (semver) Affected: 7.80.0 , ≤ 7.80.0 (semver) Affected: 7.79.1 , ≤ 7.79.1 (semver) Affected: 7.79.0 , ≤ 7.79.0 (semver) Affected: 7.78.0 , ≤ 7.78.0 (semver) Affected: 7.77.0 , ≤ 7.77.0 (semver) Affected: 7.76.1 , ≤ 7.76.1 (semver) Affected: 7.76.0 , ≤ 7.76.0 (semver) Affected: 7.75.0 , ≤ 7.75.0 (semver) Affected: 7.74.0 , ≤ 7.74.0 (semver) Affected: 7.73.0 , ≤ 7.73.0 (semver) Affected: 7.72.0 , ≤ 7.72.0 (semver) Affected: 7.71.1 , ≤ 7.71.1 (semver) Affected: 7.71.0 , ≤ 7.71.0 (semver) Affected: 7.70.0 , ≤ 7.70.0 (semver) Affected: 7.69.1 , ≤ 7.69.1 (semver) Affected: 7.69.0 , ≤ 7.69.0 (semver) Affected: 7.68.0 , ≤ 7.68.0 (semver) Affected: 7.67.0 , ≤ 7.67.0 (semver) Affected: 7.66.0 , ≤ 7.66.0 (semver) Affected: 7.65.3 , ≤ 7.65.3 (semver) Affected: 7.65.2 , ≤ 7.65.2 (semver) Affected: 7.65.1 , ≤ 7.65.1 (semver) Affected: 7.65.0 , ≤ 7.65.0 (semver) Affected: 7.64.1 , ≤ 7.64.1 (semver) Affected: 7.64.0 , ≤ 7.64.0 (semver) Affected: 7.63.0 , ≤ 7.63.0 (semver) Affected: 7.62.0 , ≤ 7.62.0 (semver) Affected: 7.61.1 , ≤ 7.61.1 (semver) Affected: 7.61.0 , ≤ 7.61.0 (semver) Affected: 7.60.0 , ≤ 7.60.0 (semver) Affected: 7.59.0 , ≤ 7.59.0 (semver) Affected: 7.58.0 , ≤ 7.58.0 (semver) Affected: 7.57.0 , ≤ 7.57.0 (semver) Affected: 7.56.1 , ≤ 7.56.1 (semver) Affected: 7.56.0 , ≤ 7.56.0 (semver) Affected: 7.55.1 , ≤ 7.55.1 (semver) Affected: 7.55.0 , ≤ 7.55.0 (semver) Affected: 7.54.1 , ≤ 7.54.1 (semver) Affected: 7.54.0 , ≤ 7.54.0 (semver) Affected: 7.53.1 , ≤ 7.53.1 (semver) Affected: 7.53.0 , ≤ 7.53.0 (semver) Affected: 7.52.1 , ≤ 7.52.1 (semver) Affected: 7.52.0 , ≤ 7.52.0 (semver) Affected: 7.51.0 , ≤ 7.51.0 (semver) Affected: 7.50.3 , ≤ 7.50.3 (semver) Affected: 7.50.2 , ≤ 7.50.2 (semver) Affected: 7.50.1 , ≤ 7.50.1 (semver) Affected: 7.50.0 , ≤ 7.50.0 (semver) Affected: 7.49.1 , ≤ 7.49.1 (semver) Affected: 7.49.0 , ≤ 7.49.0 (semver) Affected: 7.48.0 , ≤ 7.48.0 (semver) Affected: 7.47.1 , ≤ 7.47.1 (semver) Affected: 7.47.0 , ≤ 7.47.0 (semver) Affected: 7.46.0 , ≤ 7.46.0 (semver) Affected: 7.45.0 , ≤ 7.45.0 (semver) Affected: 7.44.0 , ≤ 7.44.0 (semver) Affected: 7.43.0 , ≤ 7.43.0 (semver) Affected: 7.42.1 , ≤ 7.42.1 (semver) Affected: 7.42.0 , ≤ 7.42.0 (semver) Affected: 7.41.0 , ≤ 7.41.0 (semver) Affected: 7.40.0 , ≤ 7.40.0 (semver) Affected: 7.39.0 , ≤ 7.39.0 (semver) Affected: 7.38.0 , ≤ 7.38.0 (semver) Affected: 7.37.1 , ≤ 7.37.1 (semver) Affected: 7.37.0 , ≤ 7.37.0 (semver) Affected: 7.36.0 , ≤ 7.36.0 (semver) Affected: 7.35.0 , ≤ 7.35.0 (semver) Affected: 7.34.0 , ≤ 7.34.0 (semver) Affected: 7.33.0 , ≤ 7.33.0 (semver) Affected: 7.32.0 , ≤ 7.32.0 (semver) Affected: 7.31.0 , ≤ 7.31.0 (semver) Affected: 7.30.0 , ≤ 7.30.0 (semver) Affected: 7.29.0 , ≤ 7.29.0 (semver) Affected: 7.28.1 , ≤ 7.28.1 (semver) Affected: 7.28.0 , ≤ 7.28.0 (semver) Affected: 7.27.0 , ≤ 7.27.0 (semver) Affected: 7.26.0 , ≤ 7.26.0 (semver) Affected: 7.25.0 , ≤ 7.25.0 (semver) Affected: 7.24.0 , ≤ 7.24.0 (semver) Affected: 7.23.1 , ≤ 7.23.1 (semver) Affected: 7.23.0 , ≤ 7.23.0 (semver) Affected: 7.22.0 , ≤ 7.22.0 (semver) Affected: 7.21.7 , ≤ 7.21.7 (semver) Affected: 7.21.6 , ≤ 7.21.6 (semver) Affected: 7.21.5 , ≤ 7.21.5 (semver) Affected: 7.21.4 , ≤ 7.21.4 (semver) Affected: 7.21.3 , ≤ 7.21.3 (semver) Affected: 7.21.2 , ≤ 7.21.2 (semver) Affected: 7.21.1 , ≤ 7.21.1 (semver) Affected: 7.21.0 , ≤ 7.21.0 (semver) Affected: 7.20.1 , ≤ 7.20.1 (semver) Affected: 7.20.0 , ≤ 7.20.0 (semver) Affected: 7.19.7 , ≤ 7.19.7 (semver) Affected: 7.19.6 , ≤ 7.19.6 (semver) Affected: 7.19.5 , ≤ 7.19.5 (semver) Affected: 7.19.4 , ≤ 7.19.4 (semver) Affected: 7.19.3 , ≤ 7.19.3 (semver) Affected: 7.19.2 , ≤ 7.19.2 (semver) Affected: 7.19.1 , ≤ 7.19.1 (semver) Affected: 7.19.0 , ≤ 7.19.0 (semver) Affected: 7.18.2 , ≤ 7.18.2 (semver) Affected: 7.18.1 , ≤ 7.18.1 (semver) Affected: 7.18.0 , ≤ 7.18.0 (semver) Affected: 7.17.1 , ≤ 7.17.1 (semver) Affected: 7.17.0 , ≤ 7.17.0 (semver) Affected: 7.16.4 , ≤ 7.16.4 (semver) Affected: 7.16.3 , ≤ 7.16.3 (semver) Affected: 7.16.2 , ≤ 7.16.2 (semver) Affected: 7.16.1 , ≤ 7.16.1 (semver) Affected: 7.16.0 , ≤ 7.16.0 (semver) Affected: 7.15.5 , ≤ 7.15.5 (semver) Affected: 7.15.4 , ≤ 7.15.4 (semver) Affected: 7.15.3 , ≤ 7.15.3 (semver) Affected: 7.15.2 , ≤ 7.15.2 (semver) Affected: 7.15.1 , ≤ 7.15.1 (semver) Affected: 7.15.0 , ≤ 7.15.0 (semver) Affected: 7.14.1 , ≤ 7.14.1 (semver) Affected: 7.14.0 , ≤ 7.14.0 (semver) Affected: 7.13.2 , ≤ 7.13.2 (semver) Affected: 7.13.1 , ≤ 7.13.1 (semver) Affected: 7.13.0 , ≤ 7.13.0 (semver) Affected: 7.12.3 , ≤ 7.12.3 (semver) Affected: 7.12.2 , ≤ 7.12.2 (semver) Affected: 7.12.1 , ≤ 7.12.1 (semver) Affected: 7.12.0 , ≤ 7.12.0 (semver) Affected: 7.11.2 , ≤ 7.11.2 (semver) Affected: 7.11.1 , ≤ 7.11.1 (semver) Affected: 7.11.0 , ≤ 7.11.0 (semver) Affected: 7.10.8 , ≤ 7.10.8 (semver) Affected: 7.10.7 , ≤ 7.10.7 (semver) Affected: 7.10.6 , ≤ 7.10.6 (semver) Affected: 7.10.5 , ≤ 7.10.5 (semver) Affected: 7.10.4 , ≤ 7.10.4 (semver) Affected: 7.10.3 , ≤ 7.10.3 (semver) Affected: 7.10.2 , ≤ 7.10.2 (semver) Affected: 7.10.1 , ≤ 7.10.1 (semver) Affected: 7.10 , ≤ 7.10 (semver) Affected: 7.9.8 , ≤ 7.9.8 (semver) Affected: 7.9.7 , ≤ 7.9.7 (semver) Affected: 7.9.6 , ≤ 7.9.6 (semver) Affected: 7.9.5 , ≤ 7.9.5 (semver) Affected: 7.9.4 , ≤ 7.9.4 (semver) Affected: 7.9.3 , ≤ 7.9.3 (semver) Affected: 7.9.2 , ≤ 7.9.2 (semver) Affected: 7.9.1 , ≤ 7.9.1 (semver) Affected: 7.9 , ≤ 7.9 (semver) Affected: 7.8.1 , ≤ 7.8.1 (semver) Affected: 7.8 , ≤ 7.8 (semver) Affected: 7.7.3 , ≤ 7.7.3 (semver) Affected: 7.7.2 , ≤ 7.7.2 (semver) Affected: 7.7.1 , ≤ 7.7.1 (semver) Affected: 7.7 , ≤ 7.7 (semver) Affected: 7.6.1 , ≤ 7.6.1 (semver) Affected: 7.6 , ≤ 7.6 (semver) Affected: 7.5.2 , ≤ 7.5.2 (semver) Affected: 7.5.1 , ≤ 7.5.1 (semver) Affected: 7.5 , ≤ 7.5 (semver) Affected: 7.4.2 , ≤ 7.4.2 (semver) Affected: 7.4.1 , ≤ 7.4.1 (semver) Affected: 7.4 , ≤ 7.4 (semver) Affected: 7.3 , ≤ 7.3 (semver) Affected: 7.2.1 , ≤ 7.2.1 (semver) Affected: 7.2 , ≤ 7.2 (semver) Affected: 7.1.1 , ≤ 7.1.1 (semver) Affected: 7.1 , ≤ 7.1 (semver) Affected: 6.5.2 , ≤ 6.5.2 (semver) Affected: 6.5.1 , ≤ 6.5.1 (semver) Affected: 6.5 , ≤ 6.5 (semver) |
Credits
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2025-11-03T20:36:27.027Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"url": "http://www.openwall.com/lists/oss-security/2024/12/11/1"
},
{
"url": "https://security.netapp.com/advisory/ntap-20250124-0012/"
},
{
"url": "https://security.netapp.com/advisory/ntap-20250131-0003/"
},
{
"url": "https://security.netapp.com/advisory/ntap-20250131-0004/"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 3.4,
"baseSeverity": "LOW",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2024-11053",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-12-15T16:47:42.738403Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-12-15T16:50:59.398Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "curl",
"vendor": "curl",
"versions": [
{
"lessThanOrEqual": "8.11.0",
"status": "affected",
"version": "8.11.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.10.1",
"status": "affected",
"version": "8.10.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.10.0",
"status": "affected",
"version": "8.10.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.9.1",
"status": "affected",
"version": "8.9.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.9.0",
"status": "affected",
"version": "8.9.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.8.0",
"status": "affected",
"version": "8.8.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.7.1",
"status": "affected",
"version": "8.7.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.7.0",
"status": "affected",
"version": "8.7.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.6.0",
"status": "affected",
"version": "8.6.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.5.0",
"status": "affected",
"version": "8.5.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.4.0",
"status": "affected",
"version": "8.4.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.3.0",
"status": "affected",
"version": "8.3.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.2.1",
"status": "affected",
"version": "8.2.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.2.0",
"status": "affected",
"version": "8.2.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.1.2",
"status": "affected",
"version": "8.1.2",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.1.1",
"status": "affected",
"version": "8.1.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.1.0",
"status": "affected",
"version": "8.1.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.0.1",
"status": "affected",
"version": "8.0.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.0.0",
"status": "affected",
"version": "8.0.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.88.1",
"status": "affected",
"version": "7.88.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.88.0",
"status": "affected",
"version": "7.88.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.87.0",
"status": "affected",
"version": "7.87.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.86.0",
"status": "affected",
"version": "7.86.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.85.0",
"status": "affected",
"version": "7.85.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.84.0",
"status": "affected",
"version": "7.84.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.83.1",
"status": "affected",
"version": "7.83.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.83.0",
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"status": "affected",
"version": "7.4.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.4",
"status": "affected",
"version": "7.4",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.3",
"status": "affected",
"version": "7.3",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.2.1",
"status": "affected",
"version": "7.2.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.2",
"status": "affected",
"version": "7.2",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.1.1",
"status": "affected",
"version": "7.1.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.1",
"status": "affected",
"version": "7.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.5.2",
"status": "affected",
"version": "6.5.2",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.5.1",
"status": "affected",
"version": "6.5.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.5",
"status": "affected",
"version": "6.5",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Harry Sintonen"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Daniel Stenberg"
}
],
"descriptions": [
{
"lang": "en",
"value": "When asked to both use a `.netrc` file for credentials and to follow HTTP\nredirects, curl could leak the password used for the first host to the\nfollowed-to host under certain circumstances.\n\nThis flaw only manifests itself if the netrc file has an entry that matches\nthe redirect target hostname but the entry either omits just the password or\nomits both login and password."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-12-11T07:34:29.539Z",
"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"shortName": "curl"
},
"references": [
{
"name": "json",
"url": "https://curl.se/docs/CVE-2024-11053.json"
},
{
"name": "www",
"url": "https://curl.se/docs/CVE-2024-11053.html"
},
{
"name": "issue",
"url": "https://hackerone.com/reports/2829063"
}
],
"title": "netrc and redirect credential leak"
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2024-11053",
"datePublished": "2024-12-11T07:34:29.539Z",
"dateReserved": "2024-11-09T18:41:55.703Z",
"dateUpdated": "2025-11-03T20:36:27.027Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-1965 (GCVE-0-2026-1965)
Vulnerability from cvelistv5 – Published: 2026-03-11 10:08 – Updated: 2026-09-15 06:02
VLAI
EPSS
VEX
Title
bad reuse of HTTP Negotiate connection
Summary
libcurl can in some circumstances reuse the wrong connection when asked to do
an Negotiate-authenticated HTTP or HTTPS request.
libcurl features a pool of recent connections so that subsequent requests can
reuse an existing connection to avoid overhead.
When reusing a connection a range of criterion must first be met. Due to a
logical error in the code, a request that was issued by an application could
wrongfully reuse an existing connection to the same server that was
authenticated using different credentials. One underlying reason being that
Negotiate sometimes authenticates *connections* and not *requests*, contrary
to how HTTP is designed to work.
An application that allows Negotiate authentication to a server (that responds
wanting Negotiate) with `user1:password1` and then does another operation to
the same server also using Negotiate but with `user2:password2` (while the
previous connection is still alive) - the second request wrongly reused the
same connection and since it then sees that the Negotiate negotiation is
already made, it sends the request over that connection thinking it uses
the user2 credentials when it is in fact still using the connection
authenticated for user1...
The set of authentication methods to use is set with `CURLOPT_HTTPAUTH`.
Applications can disable libcurl's reuse of connections and thus mitigate this
problem, by using one of the following libcurl options to alter how
connections are or are not reused: `CURLOPT_FRESH_CONNECT`,
`CURLOPT_MAXCONNECTS` and `CURLMOPT_MAX_HOST_CONNECTIONS` (if using the
curl_multi API).
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-11 14:31 UTC
CWE
- CWE-305 - Authentication Bypass by Primary Weakness
Assigner
References
2 references
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| curl | curl |
Affected:
7.10.6 , < 8.14.2
(semver)
Affected: 8.15.0 , < 8.16.1 (semver) Affected: 8.17.0 , < 8.19.0 (semver) |
|
| curl | curl |
Affected:
e56ae1426cb7a0a4a427cf8d6099a821fdaae428 , < f1a39f221d57354990e3eeeddc3404aede2aff70
(git)
|
|
| curl | curl |
Affected:
8.18.0
Affected: 8.17.0 Affected: 8.16.0 Affected: 8.15.0 Affected: 8.14.1 Affected: 8.14.0 Affected: 8.13.0 Affected: 8.12.1 Affected: 8.12.0 Affected: 8.11.1 Affected: 8.11.0 Affected: 8.10.1 Affected: 8.10.0 Affected: 8.9.1 Affected: 8.9.0 Affected: 8.8.0 Affected: 8.7.1 Affected: 8.7.0 Affected: 8.6.0 Affected: 8.5.0 Affected: 8.4.0 Affected: 8.3.0 Affected: 8.2.1 Affected: 8.2.0 Affected: 8.1.2 Affected: 8.1.1 Affected: 8.1.0 Affected: 8.0.1 Affected: 8.0.0 Affected: 7.88.1 Affected: 7.88.0 Affected: 7.87.0 Affected: 7.86.0 Affected: 7.85.0 Affected: 7.84.0 Affected: 7.83.1 Affected: 7.83.0 Affected: 7.82.0 Affected: 7.81.0 Affected: 7.80.0 Affected: 7.79.1 Affected: 7.79.0 Affected: 7.78.0 Affected: 7.77.0 Affected: 7.76.1 Affected: 7.76.0 Affected: 7.75.0 Affected: 7.74.0 Affected: 7.73.0 Affected: 7.72.0 Affected: 7.71.1 Affected: 7.71.0 Affected: 7.70.0 Affected: 7.69.1 Affected: 7.69.0 Affected: 7.68.0 Affected: 7.67.0 Affected: 7.66.0 Affected: 7.65.3 Affected: 7.65.2 Affected: 7.65.1 Affected: 7.65.0 Affected: 7.64.1 Affected: 7.64.0 Affected: 7.63.0 Affected: 7.62.0 Affected: 7.61.1 Affected: 7.61.0 Affected: 7.60.0 Affected: 7.59.0 Affected: 7.58.0 Affected: 7.57.0 Affected: 7.56.1 Affected: 7.56.0 Affected: 7.55.1 Affected: 7.55.0 Affected: 7.54.1 Affected: 7.54.0 Affected: 7.53.1 Affected: 7.53.0 Affected: 7.52.1 Affected: 7.52.0 Affected: 7.51.0 Affected: 7.50.3 Affected: 7.50.2 Affected: 7.50.1 Affected: 7.50.0 Affected: 7.49.1 Affected: 7.49.0 Affected: 7.48.0 Affected: 7.47.1 Affected: 7.47.0 Affected: 7.46.0 Affected: 7.45.0 Affected: 7.44.0 Affected: 7.43.0 Affected: 7.42.1 Affected: 7.42.0 Affected: 7.41.0 Affected: 7.40.0 Affected: 7.39.0 Affected: 7.38.0 Affected: 7.37.1 Affected: 7.37.0 Affected: 7.36.0 Affected: 7.35.0 Affected: 7.34.0 Affected: 7.33.0 Affected: 7.32.0 Affected: 7.31.0 Affected: 7.30.0 Affected: 7.29.0 Affected: 7.28.1 Affected: 7.28.0 Affected: 7.27.0 Affected: 7.26.0 Affected: 7.25.0 Affected: 7.24.0 Affected: 7.23.1 Affected: 7.23.0 Affected: 7.22.0 Affected: 7.21.7 Affected: 7.21.6 Affected: 7.21.5 Affected: 7.21.4 Affected: 7.21.3 Affected: 7.21.2 Affected: 7.21.1 Affected: 7.21.0 Affected: 7.20.1 Affected: 7.20.0 Affected: 7.19.7 Affected: 7.19.6 Affected: 7.19.5 Affected: 7.19.4 Affected: 7.19.3 Affected: 7.19.2 Affected: 7.19.1 Affected: 7.19.0 Affected: 7.18.2 Affected: 7.18.1 Affected: 7.18.0 Affected: 7.17.1 Affected: 7.17.0 Affected: 7.16.4 Affected: 7.16.3 Affected: 7.16.2 Affected: 7.16.1 Affected: 7.16.0 Affected: 7.15.5 Affected: 7.15.4 Affected: 7.15.3 Affected: 7.15.2 Affected: 7.15.1 Affected: 7.15.0 Affected: 7.14.1 Affected: 7.14.0 Affected: 7.13.2 Affected: 7.13.1 Affected: 7.13.0 Affected: 7.12.3 Affected: 7.12.2 Affected: 7.12.1 Affected: 7.12.0 Affected: 7.11.2 Affected: 7.11.1 Affected: 7.11.0 Affected: 7.10.8 Affected: 7.10.7 Affected: 7.10.6 |
Credits
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-1965",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-03-11T14:31:56.061598Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-305",
"description": "CWE-305 Authentication Bypass by Primary Weakness",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-03-11T14:32:38.895Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "curl",
"vendor": "curl",
"versions": [
{
"lessThan": "8.14.2",
"status": "affected",
"version": "7.10.6",
"versionType": "semver"
},
{
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"status": "affected",
"version": "8.15.0",
"versionType": "semver"
},
{
"lessThan": "8.19.0",
"status": "affected",
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"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "curl",
"repo": "https://github.com/curl/curl.git",
"vendor": "curl",
"versions": [
{
"lessThan": "f1a39f221d57354990e3eeeddc3404aede2aff70",
"status": "affected",
"version": "e56ae1426cb7a0a4a427cf8d6099a821fdaae428",
"versionType": "git"
}
]
},
{
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"product": "curl",
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{
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"version": "8.18.0"
},
{
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"version": "8.17.0"
},
{
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"version": "8.16.0"
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},
{
"status": "affected",
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{
"status": "affected",
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{
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"version": "8.13.0"
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{
"status": "affected",
"version": "8.12.1"
},
{
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"version": "8.12.0"
},
{
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"version": "8.11.1"
},
{
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"version": "8.11.0"
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"version": "8.10.1"
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{
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"version": "8.9.0"
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{
"status": "affected",
"version": "8.8.0"
},
{
"status": "affected",
"version": "8.7.1"
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{
"status": "affected",
"version": "8.7.0"
},
{
"status": "affected",
"version": "8.6.0"
},
{
"status": "affected",
"version": "8.5.0"
},
{
"status": "affected",
"version": "8.4.0"
},
{
"status": "affected",
"version": "8.3.0"
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{
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"version": "8.2.1"
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{
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{
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"version": "8.1.2"
},
{
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{
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},
{
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{
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},
{
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"version": "7.88.1"
},
{
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"version": "7.88.0"
},
{
"status": "affected",
"version": "7.87.0"
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{
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{
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},
{
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"version": "7.81.0"
},
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},
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},
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{
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},
{
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"version": "7.76.0"
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"version": "7.75.0"
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"version": "7.74.0"
},
{
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"version": "7.73.0"
},
{
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"version": "7.72.0"
},
{
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},
{
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},
{
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{
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{
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"version": "7.66.0"
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{
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"version": "7.65.3"
},
{
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"version": "7.65.2"
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{
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"version": "7.65.1"
},
{
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{
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},
{
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},
{
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{
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},
{
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{
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},
{
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{
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{
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{
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{
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{
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"version": "7.56.0"
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{
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{
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{
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},
{
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"version": "7.54.0"
},
{
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"version": "7.53.1"
},
{
"status": "affected",
"version": "7.53.0"
},
{
"status": "affected",
"version": "7.52.1"
},
{
"status": "affected",
"version": "7.52.0"
},
{
"status": "affected",
"version": "7.51.0"
},
{
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"version": "7.50.3"
},
{
"status": "affected",
"version": "7.50.2"
},
{
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"version": "7.50.1"
},
{
"status": "affected",
"version": "7.50.0"
},
{
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"version": "7.49.1"
},
{
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"version": "7.49.0"
},
{
"status": "affected",
"version": "7.48.0"
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{
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"version": "7.47.1"
},
{
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"version": "7.47.0"
},
{
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{
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{
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{
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{
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{
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{
"status": "affected",
"version": "7.31.0"
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{
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"version": "7.30.0"
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{
"status": "affected",
"version": "7.29.0"
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{
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},
{
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"version": "7.22.0"
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{
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{
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"version": "7.21.6"
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{
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{
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{
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{
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{
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{
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"version": "7.20.0"
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{
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{
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{
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{
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{
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{
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{
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"version": "7.17.0"
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{
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"version": "7.16.4"
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{
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"version": "7.16.3"
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{
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{
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"version": "7.16.1"
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{
"status": "affected",
"version": "7.16.0"
},
{
"status": "affected",
"version": "7.15.5"
},
{
"status": "affected",
"version": "7.15.4"
},
{
"status": "affected",
"version": "7.15.3"
},
{
"status": "affected",
"version": "7.15.2"
},
{
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{
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},
{
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},
{
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},
{
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{
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{
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}
],
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"description": "Authentication Bypass by Primary Weakness",
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"type": "CWE"
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]
}
],
"providerMetadata": {
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"orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
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"references": [
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"url": "https://curl.se/docs/CVE-2026-1965.json"
},
{
"url": "https://curl.se/docs/CVE-2026-1965.html"
}
],
"title": "bad reuse of HTTP Negotiate connection",
"x_generator": {
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},
"x_osv": {
"affected": [
{
"ranges": [
{
"events": [
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{
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{
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{
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{
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"aliases": [
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],
"credits": [
{
"name": "Zhicheng Chen",
"type": "finder"
},
{
"name": "Daniel Stenberg",
"type": "remediation developer"
}
],
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"desc": "Authentication Bypass by Primary Weakness",
"id": "CWE-305"
},
"URL": "https://curl.se/docs/CVE-2026-1965.json",
"affects": "both",
"last_affected": "8.18.0",
"package": "curl",
"severity": "Medium",
"www": "https://curl.se/docs/CVE-2026-1965.html"
},
"details": "libcurl can in some circumstances reuse the wrong connection when asked to do\nan Negotiate-authenticated HTTP or HTTPS request.\n\nlibcurl features a pool of recent connections so that subsequent requests can\nreuse an existing connection to avoid overhead.\n\nWhen reusing a connection a range of criterion must first be met. Due to a\nlogical error in the code, a request that was issued by an application could\nwrongfully reuse an existing connection to the same server that was\nauthenticated using different credentials. One underlying reason being that\nNegotiate sometimes authenticates *connections* and not *requests*, contrary\nto how HTTP is designed to work.\n\nAn application that allows Negotiate authentication to a server (that responds\nwanting Negotiate) with `user1:password1` and then does another operation to\nthe same server also using Negotiate but with `user2:password2` (while the\nprevious connection is still alive) - the second request wrongly reused the\nsame connection and since it then sees that the Negotiate negotiation is\nalready made, it sends the request over that connection thinking it uses\nthe user2 credentials when it is in fact still using the connection\nauthenticated for user1...\n\nThe set of authentication methods to use is set with `CURLOPT_HTTPAUTH`.\n\nApplications can disable libcurl\u0027s reuse of connections and thus mitigate this\nproblem, by using one of the following libcurl options to alter how\nconnections are or are not reused: `CURLOPT_FRESH_CONNECT`,\n`CURLOPT_MAXCONNECTS` and `CURLMOPT_MAX_HOST_CONNECTIONS` (if using the\ncurl_multi API).",
"id": "CURL-CVE-2026-1965",
"modified": "2026-09-07T10:34:51.00Z",
"published": "2026-03-11T08:00:00.00Z",
"schema_version": "1.5.0",
"summary": "bad reuse of HTTP Negotiate connection"
}
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-1965",
"datePublished": "2026-03-11T10:08:52.431Z",
"dateReserved": "2026-02-05T11:00:50.882Z",
"dateUpdated": "2026-09-15T06:02:49.175Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-4873 (GCVE-0-2026-4873)
Vulnerability from cvelistv5 – Published: 2026-05-13 08:27 – Updated: 2026-09-15 06:02
VLAI
EPSS
VEX
Title
connection reuse ignores TLS requirement
Summary
A vulnerability exists where a connection requiring TLS incorrectly reuses an
existing unencrypted connection from the same connection pool. If an initial
transfer is made in clear-text (via IMAP, SMTP, or POP3), a subsequent request
to that same host bypasses the TLS requirement and instead transmit data
unencrypted.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-13 19:29 UTC
CWE
- CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| curl | curl |
Affected:
7.20.0 , < 8.14.2
(semver)
Affected: 8.15.0 , < 8.16.1 (semver) Affected: 8.17.0 , < 8.20.0 (semver) |
|
| curl | curl |
Affected:
ec3bb8f727405642a471b4b1b9eb0118fc003104 , < 507e7be573b0a76fca597b75ff7cb27a66e7d865
(git)
|
|
| curl | curl |
Affected:
8.19.0
Affected: 8.18.0 Affected: 8.17.0 Affected: 8.16.0 Affected: 8.15.0 Affected: 8.14.1 Affected: 8.14.0 Affected: 8.13.0 Affected: 8.12.1 Affected: 8.12.0 Affected: 8.11.1 Affected: 8.11.0 Affected: 8.10.1 Affected: 8.10.0 Affected: 8.9.1 Affected: 8.9.0 Affected: 8.8.0 Affected: 8.7.1 Affected: 8.7.0 Affected: 8.6.0 Affected: 8.5.0 Affected: 8.4.0 Affected: 8.3.0 Affected: 8.2.1 Affected: 8.2.0 Affected: 8.1.2 Affected: 8.1.1 Affected: 8.1.0 Affected: 8.0.1 Affected: 8.0.0 Affected: 7.88.1 Affected: 7.88.0 Affected: 7.87.0 Affected: 7.86.0 Affected: 7.85.0 Affected: 7.84.0 Affected: 7.83.1 Affected: 7.83.0 Affected: 7.82.0 Affected: 7.81.0 Affected: 7.80.0 Affected: 7.79.1 Affected: 7.79.0 Affected: 7.78.0 Affected: 7.77.0 Affected: 7.76.1 Affected: 7.76.0 Affected: 7.75.0 Affected: 7.74.0 Affected: 7.73.0 Affected: 7.72.0 Affected: 7.71.1 Affected: 7.71.0 Affected: 7.70.0 Affected: 7.69.1 Affected: 7.69.0 Affected: 7.68.0 Affected: 7.67.0 Affected: 7.66.0 Affected: 7.65.3 Affected: 7.65.2 Affected: 7.65.1 Affected: 7.65.0 Affected: 7.64.1 Affected: 7.64.0 Affected: 7.63.0 Affected: 7.62.0 Affected: 7.61.1 Affected: 7.61.0 Affected: 7.60.0 Affected: 7.59.0 Affected: 7.58.0 Affected: 7.57.0 Affected: 7.56.1 Affected: 7.56.0 Affected: 7.55.1 Affected: 7.55.0 Affected: 7.54.1 Affected: 7.54.0 Affected: 7.53.1 Affected: 7.53.0 Affected: 7.52.1 Affected: 7.52.0 Affected: 7.51.0 Affected: 7.50.3 Affected: 7.50.2 Affected: 7.50.1 Affected: 7.50.0 Affected: 7.49.1 Affected: 7.49.0 Affected: 7.48.0 Affected: 7.47.1 Affected: 7.47.0 Affected: 7.46.0 Affected: 7.45.0 Affected: 7.44.0 Affected: 7.43.0 Affected: 7.42.1 Affected: 7.42.0 Affected: 7.41.0 Affected: 7.40.0 Affected: 7.39.0 Affected: 7.38.0 Affected: 7.37.1 Affected: 7.37.0 Affected: 7.36.0 Affected: 7.35.0 Affected: 7.34.0 Affected: 7.33.0 Affected: 7.32.0 Affected: 7.31.0 Affected: 7.30.0 Affected: 7.29.0 Affected: 7.28.1 Affected: 7.28.0 Affected: 7.27.0 Affected: 7.26.0 Affected: 7.25.0 Affected: 7.24.0 Affected: 7.23.1 Affected: 7.23.0 Affected: 7.22.0 Affected: 7.21.7 Affected: 7.21.6 Affected: 7.21.5 Affected: 7.21.4 Affected: 7.21.3 Affected: 7.21.2 Affected: 7.21.1 Affected: 7.21.0 Affected: 7.20.1 Affected: 7.20.0 |
Credits
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2026-05-13T09:05:12.559Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"url": "http://www.openwall.com/lists/oss-security/2026/04/29/7"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-4873",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-05-13T19:29:14.521822Z",
"version": "2.0.3"
},
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}
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],
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}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-13T19:30:04.825Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
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{
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}
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},
{
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"versions": [
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},
{
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{
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"version": "8.9.0"
},
{
"status": "affected",
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{
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"version": "7.88.0"
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{
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"version": "7.85.0"
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},
{
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{
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}
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{
"url": "https://curl.se/docs/CVE-2026-4873.html"
},
{
"url": "https://hackerone.com/reports/3621851"
}
],
"title": "connection reuse ignores TLS requirement",
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"type": "finder"
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{
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"modified": "2026-09-07T10:34:51.00Z",
"published": "2026-04-29T08:00:00.00Z",
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"datePublished": "2026-05-13T08:27:04.538Z",
"dateReserved": "2026-03-26T05:38:02.098Z",
"dateUpdated": "2026-09-15T06:02:57.389Z",
"state": "PUBLISHED"
},
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}
CVE-2026-5545 (GCVE-0-2026-5545)
Vulnerability from cvelistv5 – Published: 2026-05-13 08:27 – Updated: 2026-09-15 06:02
VLAI
EPSS
VEX
Title
wrong reuse of HTTP Negotiate connection
Summary
libcurl might in some circumstances reuse the wrong connection when asked to
do an authenticated HTTP(S) request after a Negotiate-authenticated one, when
both use the same host.
libcurl features a pool of recent connections so that subsequent requests can
reuse an existing connection to avoid overhead.
When reusing a connection a range of criteria must be met. Due to a logical
error in the code, a request that was issued by an application could
wrongfully reuse an existing connection to the same server that was
authenticated using different credentials.
An application that first uses Negotiate authentication to a server with
`user1:password1` and then does another operation to the same server asking
for any authentication method but for `user2:password2` (while the previous
connection is still alive) - the second request gets confused and wrongly
reuses the same connection and sends the new request over that connection
thinking it uses a mix of user1's and user2's credentials when it is in fact
still using the connection authenticated for user1...
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-13 17:46 UTC
CWE
- CWE-305 - Authentication Bypass by Primary Weakness
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| curl | curl |
Affected:
7.10.6 , < 8.14.2
(semver)
Affected: 8.15.0 , < 8.16.1 (semver) Affected: 8.17.0 , < 8.20.0 (semver) |
|
| curl | curl |
Affected:
e56ae1426cb7a0a4a427cf8d6099a821fdaae428 , < 33e43985b8f3b9e66691d06e70be0395849856cd
(git)
|
|
| curl | curl |
Affected:
8.19.0
Affected: 8.18.0 Affected: 8.17.0 Affected: 8.16.0 Affected: 8.15.0 Affected: 8.14.1 Affected: 8.14.0 Affected: 8.13.0 Affected: 8.12.1 Affected: 8.12.0 Affected: 8.11.1 Affected: 8.11.0 Affected: 8.10.1 Affected: 8.10.0 Affected: 8.9.1 Affected: 8.9.0 Affected: 8.8.0 Affected: 8.7.1 Affected: 8.7.0 Affected: 8.6.0 Affected: 8.5.0 Affected: 8.4.0 Affected: 8.3.0 Affected: 8.2.1 Affected: 8.2.0 Affected: 8.1.2 Affected: 8.1.1 Affected: 8.1.0 Affected: 8.0.1 Affected: 8.0.0 Affected: 7.88.1 Affected: 7.88.0 Affected: 7.87.0 Affected: 7.86.0 Affected: 7.85.0 Affected: 7.84.0 Affected: 7.83.1 Affected: 7.83.0 Affected: 7.82.0 Affected: 7.81.0 Affected: 7.80.0 Affected: 7.79.1 Affected: 7.79.0 Affected: 7.78.0 Affected: 7.77.0 Affected: 7.76.1 Affected: 7.76.0 Affected: 7.75.0 Affected: 7.74.0 Affected: 7.73.0 Affected: 7.72.0 Affected: 7.71.1 Affected: 7.71.0 Affected: 7.70.0 Affected: 7.69.1 Affected: 7.69.0 Affected: 7.68.0 Affected: 7.67.0 Affected: 7.66.0 Affected: 7.65.3 Affected: 7.65.2 Affected: 7.65.1 Affected: 7.65.0 Affected: 7.64.1 Affected: 7.64.0 Affected: 7.63.0 Affected: 7.62.0 Affected: 7.61.1 Affected: 7.61.0 Affected: 7.60.0 Affected: 7.59.0 Affected: 7.58.0 Affected: 7.57.0 Affected: 7.56.1 Affected: 7.56.0 Affected: 7.55.1 Affected: 7.55.0 Affected: 7.54.1 Affected: 7.54.0 Affected: 7.53.1 Affected: 7.53.0 Affected: 7.52.1 Affected: 7.52.0 Affected: 7.51.0 Affected: 7.50.3 Affected: 7.50.2 Affected: 7.50.1 Affected: 7.50.0 Affected: 7.49.1 Affected: 7.49.0 Affected: 7.48.0 Affected: 7.47.1 Affected: 7.47.0 Affected: 7.46.0 Affected: 7.45.0 Affected: 7.44.0 Affected: 7.43.0 Affected: 7.42.1 Affected: 7.42.0 Affected: 7.41.0 Affected: 7.40.0 Affected: 7.39.0 Affected: 7.38.0 Affected: 7.37.1 Affected: 7.37.0 Affected: 7.36.0 Affected: 7.35.0 Affected: 7.34.0 Affected: 7.33.0 Affected: 7.32.0 Affected: 7.31.0 Affected: 7.30.0 Affected: 7.29.0 Affected: 7.28.1 Affected: 7.28.0 Affected: 7.27.0 Affected: 7.26.0 Affected: 7.25.0 Affected: 7.24.0 Affected: 7.23.1 Affected: 7.23.0 Affected: 7.22.0 Affected: 7.21.7 Affected: 7.21.6 Affected: 7.21.5 Affected: 7.21.4 Affected: 7.21.3 Affected: 7.21.2 Affected: 7.21.1 Affected: 7.21.0 Affected: 7.20.1 Affected: 7.20.0 Affected: 7.19.7 Affected: 7.19.6 Affected: 7.19.5 Affected: 7.19.4 Affected: 7.19.3 Affected: 7.19.2 Affected: 7.19.1 Affected: 7.19.0 Affected: 7.18.2 Affected: 7.18.1 Affected: 7.18.0 Affected: 7.17.1 Affected: 7.17.0 Affected: 7.16.4 Affected: 7.16.3 Affected: 7.16.2 Affected: 7.16.1 Affected: 7.16.0 Affected: 7.15.5 Affected: 7.15.4 Affected: 7.15.3 Affected: 7.15.2 Affected: 7.15.1 Affected: 7.15.0 Affected: 7.14.1 Affected: 7.14.0 Affected: 7.13.2 Affected: 7.13.1 Affected: 7.13.0 Affected: 7.12.3 Affected: 7.12.2 Affected: 7.12.1 Affected: 7.12.0 Affected: 7.11.2 Affected: 7.11.1 Affected: 7.11.0 Affected: 7.10.8 Affected: 7.10.7 Affected: 7.10.6 |
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-5545",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-05-13T17:46:36.115262Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-05-13T17:46:40.830Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://hackerone.com/reports/3642555"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
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"product": "curl",
"vendor": "curl",
"versions": [
{
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},
{
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"status": "affected",
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"versionType": "semver"
},
{
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"status": "affected",
"version": "8.17.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "curl",
"repo": "https://github.com/curl/curl.git",
"vendor": "curl",
"versions": [
{
"lessThan": "33e43985b8f3b9e66691d06e70be0395849856cd",
"status": "affected",
"version": "e56ae1426cb7a0a4a427cf8d6099a821fdaae428",
"versionType": "git"
}
]
},
{
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},
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},
{
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},
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},
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},
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"status": "affected",
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"status": "affected",
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},
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"status": "affected",
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},
{
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{
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},
{
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"version": "8.1.1"
},
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{
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{
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},
{
"url": "https://hackerone.com/reports/3642555"
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],
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{
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"affects": "both",
"issue": "https://hackerone.com/reports/3642555",
"last_affected": "8.19.0",
"package": "curl",
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"www": "https://curl.se/docs/CVE-2026-5545.html"
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"id": "CURL-CVE-2026-5545",
"modified": "2026-09-07T10:34:51.00Z",
"published": "2026-04-29T08:00:00.00Z",
"schema_version": "1.5.0",
"summary": "wrong reuse of HTTP Negotiate connection"
}
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"datePublished": "2026-05-13T08:27:26.065Z",
"dateReserved": "2026-04-04T12:10:07.125Z",
"dateUpdated": "2026-09-15T06:02:59.285Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-5773 (GCVE-0-2026-5773)
Vulnerability from cvelistv5 – Published: 2026-05-13 08:27 – Updated: 2026-09-15 06:03
VLAI
EPSS
VEX
Title
wrong reuse of SMB connection
Summary
libcurl might in some circumstances reuse the wrong connection for SMB(S)
transfers.
libcurl features a pool of recent connections so that subsequent requests can
reuse an existing connection to avoid overhead.
When reusing a connection a range of criteria must be met. Due to a logical
error in the code, a network transfer operation that was requested by an
application could wrongfully reuse an existing SMB connection to the same
server that was using a different "share" than the new subsequent transfer
should.
This could in unlucky situations lead to the download of the wrong file or the
upload of a file to the wrong place. When this happens, the same credentials
are used and the server name is the same.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-13 17:45 UTC
CWE
- CWE-488 - Exposure of Data Element to Wrong Session
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| curl | curl |
Affected:
7.40.0 , < 8.14.2
(semver)
Affected: 8.15.0 , < 8.16.1 (semver) Affected: 8.17.0 , < 8.20.0 (semver) |
|
| curl | curl |
Affected:
aec2e865f06669b9cb5d26cc1148d70bc418b163 , < 74a169575d6412dc0ff532acdf94de35a6c2a571
(git)
|
|
| curl | curl |
Affected:
8.19.0
Affected: 8.18.0 Affected: 8.17.0 Affected: 8.16.0 Affected: 8.15.0 Affected: 8.14.1 Affected: 8.14.0 Affected: 8.13.0 Affected: 8.12.1 Affected: 8.12.0 Affected: 8.11.1 Affected: 8.11.0 Affected: 8.10.1 Affected: 8.10.0 Affected: 8.9.1 Affected: 8.9.0 Affected: 8.8.0 Affected: 8.7.1 Affected: 8.7.0 Affected: 8.6.0 Affected: 8.5.0 Affected: 8.4.0 Affected: 8.3.0 Affected: 8.2.1 Affected: 8.2.0 Affected: 8.1.2 Affected: 8.1.1 Affected: 8.1.0 Affected: 8.0.1 Affected: 8.0.0 Affected: 7.88.1 Affected: 7.88.0 Affected: 7.87.0 Affected: 7.86.0 Affected: 7.85.0 Affected: 7.84.0 Affected: 7.83.1 Affected: 7.83.0 Affected: 7.82.0 Affected: 7.81.0 Affected: 7.80.0 Affected: 7.79.1 Affected: 7.79.0 Affected: 7.78.0 Affected: 7.77.0 Affected: 7.76.1 Affected: 7.76.0 Affected: 7.75.0 Affected: 7.74.0 Affected: 7.73.0 Affected: 7.72.0 Affected: 7.71.1 Affected: 7.71.0 Affected: 7.70.0 Affected: 7.69.1 Affected: 7.69.0 Affected: 7.68.0 Affected: 7.67.0 Affected: 7.66.0 Affected: 7.65.3 Affected: 7.65.2 Affected: 7.65.1 Affected: 7.65.0 Affected: 7.64.1 Affected: 7.64.0 Affected: 7.63.0 Affected: 7.62.0 Affected: 7.61.1 Affected: 7.61.0 Affected: 7.60.0 Affected: 7.59.0 Affected: 7.58.0 Affected: 7.57.0 Affected: 7.56.1 Affected: 7.56.0 Affected: 7.55.1 Affected: 7.55.0 Affected: 7.54.1 Affected: 7.54.0 Affected: 7.53.1 Affected: 7.53.0 Affected: 7.52.1 Affected: 7.52.0 Affected: 7.51.0 Affected: 7.50.3 Affected: 7.50.2 Affected: 7.50.1 Affected: 7.50.0 Affected: 7.49.1 Affected: 7.49.0 Affected: 7.48.0 Affected: 7.47.1 Affected: 7.47.0 Affected: 7.46.0 Affected: 7.45.0 Affected: 7.44.0 Affected: 7.43.0 Affected: 7.42.1 Affected: 7.42.0 Affected: 7.41.0 Affected: 7.40.0 |
Credits
{
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CVE-2026-6253 (GCVE-0-2026-6253)
Vulnerability from cvelistv5 – Published: 2026-05-13 08:28 – Updated: 2026-09-15 06:03
VLAI
EPSS
VEX
Title
proxy credentials leak over redirect-to proxy
Summary
curl might erroneously pass on credentials for a first proxy to a second
proxy.
This can happen when the following conditions are true:
1. curl is setup to use specific different proxies for different URL schemes
2. the first proxy needs credentials
3. the second proxy uses no credentials
4. while using the first proxy (using say `http://`), curl is asked to follow
a redirect to a URL using another scheme (say `https://`), accessed using a
second, different, proxy
Severity
5.9 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-13 17:42 UTC
CWE
- CWE-522 - Insufficiently Protected Credentials
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| curl | curl |
Affected:
7.14.1 , < 8.14.2
(semver)
Affected: 8.15.0 , < 8.16.1 (semver) Affected: 8.17.0 , < 8.20.0 (semver) |
|
| curl | curl |
Affected:
3b60bb725913ce7339aefef0a14b12df4c24db60 , < 188c2f166a20fa97c2325b2da7d0e5cecc13725f
(git)
|
|
| curl | curl |
Affected:
8.19.0
Affected: 8.18.0 Affected: 8.17.0 Affected: 8.16.0 Affected: 8.15.0 Affected: 8.14.1 Affected: 8.14.0 Affected: 8.13.0 Affected: 8.12.1 Affected: 8.12.0 Affected: 8.11.1 Affected: 8.11.0 Affected: 8.10.1 Affected: 8.10.0 Affected: 8.9.1 Affected: 8.9.0 Affected: 8.8.0 Affected: 8.7.1 Affected: 8.7.0 Affected: 8.6.0 Affected: 8.5.0 Affected: 8.4.0 Affected: 8.3.0 Affected: 8.2.1 Affected: 8.2.0 Affected: 8.1.2 Affected: 8.1.1 Affected: 8.1.0 Affected: 8.0.1 Affected: 8.0.0 Affected: 7.88.1 Affected: 7.88.0 Affected: 7.87.0 Affected: 7.86.0 Affected: 7.85.0 Affected: 7.84.0 Affected: 7.83.1 Affected: 7.83.0 Affected: 7.82.0 Affected: 7.81.0 Affected: 7.80.0 Affected: 7.79.1 Affected: 7.79.0 Affected: 7.78.0 Affected: 7.77.0 Affected: 7.76.1 Affected: 7.76.0 Affected: 7.75.0 Affected: 7.74.0 Affected: 7.73.0 Affected: 7.72.0 Affected: 7.71.1 Affected: 7.71.0 Affected: 7.70.0 Affected: 7.69.1 Affected: 7.69.0 Affected: 7.68.0 Affected: 7.67.0 Affected: 7.66.0 Affected: 7.65.3 Affected: 7.65.2 Affected: 7.65.1 Affected: 7.65.0 Affected: 7.64.1 Affected: 7.64.0 Affected: 7.63.0 Affected: 7.62.0 Affected: 7.61.1 Affected: 7.61.0 Affected: 7.60.0 Affected: 7.59.0 Affected: 7.58.0 Affected: 7.57.0 Affected: 7.56.1 Affected: 7.56.0 Affected: 7.55.1 Affected: 7.55.0 Affected: 7.54.1 Affected: 7.54.0 Affected: 7.53.1 Affected: 7.53.0 Affected: 7.52.1 Affected: 7.52.0 Affected: 7.51.0 Affected: 7.50.3 Affected: 7.50.2 Affected: 7.50.1 Affected: 7.50.0 Affected: 7.49.1 Affected: 7.49.0 Affected: 7.48.0 Affected: 7.47.1 Affected: 7.47.0 Affected: 7.46.0 Affected: 7.45.0 Affected: 7.44.0 Affected: 7.43.0 Affected: 7.42.1 Affected: 7.42.0 Affected: 7.41.0 Affected: 7.40.0 Affected: 7.39.0 Affected: 7.38.0 Affected: 7.37.1 Affected: 7.37.0 Affected: 7.36.0 Affected: 7.35.0 Affected: 7.34.0 Affected: 7.33.0 Affected: 7.32.0 Affected: 7.31.0 Affected: 7.30.0 Affected: 7.29.0 Affected: 7.28.1 Affected: 7.28.0 Affected: 7.27.0 Affected: 7.26.0 Affected: 7.25.0 Affected: 7.24.0 Affected: 7.23.1 Affected: 7.23.0 Affected: 7.22.0 Affected: 7.21.7 Affected: 7.21.6 Affected: 7.21.5 Affected: 7.21.4 Affected: 7.21.3 Affected: 7.21.2 Affected: 7.21.1 Affected: 7.21.0 Affected: 7.20.1 Affected: 7.20.0 Affected: 7.19.7 Affected: 7.19.6 Affected: 7.19.5 Affected: 7.19.4 Affected: 7.19.3 Affected: 7.19.2 Affected: 7.19.1 Affected: 7.19.0 Affected: 7.18.2 Affected: 7.18.1 Affected: 7.18.0 Affected: 7.17.1 Affected: 7.17.0 Affected: 7.16.4 Affected: 7.16.3 Affected: 7.16.2 Affected: 7.16.1 Affected: 7.16.0 Affected: 7.15.5 Affected: 7.15.4 Affected: 7.15.3 Affected: 7.15.2 Affected: 7.15.1 Affected: 7.15.0 Affected: 7.14.1 |
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"package": "curl",
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"id": "CURL-CVE-2026-6253",
"modified": "2026-09-07T10:34:51.00Z",
"published": "2026-04-29T08:00:00.00Z",
"schema_version": "1.5.0",
"summary": "proxy credentials leak over redirect-to proxy"
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"datePublished": "2026-05-13T08:28:03.004Z",
"dateReserved": "2026-04-13T20:11:11.991Z",
"dateUpdated": "2026-09-15T06:03:02.453Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-6276 (GCVE-0-2026-6276)
Vulnerability from cvelistv5 – Published: 2026-05-13 08:28 – Updated: 2026-09-15 06:03
VLAI
EPSS
VEX
Title
stale custom cookie host causes cookie leak
Summary
Using libcurl, when a custom `Host:` header is first set for an HTTP request
and a second request is subsequently done using the same *easy handle* but
without the custom `Host:` header set, the second request would use stale
information and pass on cookies meant for the first host in the second
request. Leak them.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-13 17:24 UTC
CWE
- CWE-346 - Origin Validation Error
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| curl | curl |
Affected:
7.71.0 , < 8.14.2
(semver)
Affected: 8.15.0 , < 8.16.1 (semver) Affected: 8.17.0 , < 8.20.0 (semver) |
|
| curl | curl |
Affected:
e15e51384a423be31318b3c9c7d612a1aae661fd , < 3a19987a87f393d9394fe5acc7643f6c263c92db
(git)
|
|
| curl | curl |
Affected:
8.19.0
Affected: 8.18.0 Affected: 8.17.0 Affected: 8.16.0 Affected: 8.15.0 Affected: 8.14.1 Affected: 8.14.0 Affected: 8.13.0 Affected: 8.12.1 Affected: 8.12.0 Affected: 8.11.1 Affected: 8.11.0 Affected: 8.10.1 Affected: 8.10.0 Affected: 8.9.1 Affected: 8.9.0 Affected: 8.8.0 Affected: 8.7.1 Affected: 8.7.0 Affected: 8.6.0 Affected: 8.5.0 Affected: 8.4.0 Affected: 8.3.0 Affected: 8.2.1 Affected: 8.2.0 Affected: 8.1.2 Affected: 8.1.1 Affected: 8.1.0 Affected: 8.0.1 Affected: 8.0.0 Affected: 7.88.1 Affected: 7.88.0 Affected: 7.87.0 Affected: 7.86.0 Affected: 7.85.0 Affected: 7.84.0 Affected: 7.83.1 Affected: 7.83.0 Affected: 7.82.0 Affected: 7.81.0 Affected: 7.80.0 Affected: 7.79.1 Affected: 7.79.0 Affected: 7.78.0 Affected: 7.77.0 Affected: 7.76.1 Affected: 7.76.0 Affected: 7.75.0 Affected: 7.74.0 Affected: 7.73.0 Affected: 7.72.0 Affected: 7.71.1 Affected: 7.71.0 |
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"description": "Origin Validation Error",
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CVE-2026-6429 (GCVE-0-2026-6429)
Vulnerability from cvelistv5 – Published: 2026-05-13 08:28 – Updated: 2026-09-15 06:03
VLAI
EPSS
VEX
Title
netrc credential leak with reused proxy connection
Summary
When asked to both use a `.netrc` file for credentials and to follow HTTP
redirects, libcurl could leak the password used for the first host to the
followed-to host under certain circumstances.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-13 14:03 UTC
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| curl | curl |
Affected:
7.14.0 , < 8.14.2
(semver)
Affected: 8.15.0 , < 8.16.1 (semver) Affected: 8.17.0 , < 8.20.0 (semver) |
|
| curl | curl |
Affected:
01165e08e0d131b399fba2190f17af67e66f0888 , < b4024bf808bd558026fdc6096e8457f199ace306
(git)
|
|
| curl | curl |
Affected:
8.19.0
Affected: 8.18.0 Affected: 8.17.0 Affected: 8.16.0 Affected: 8.15.0 Affected: 8.14.1 Affected: 8.14.0 Affected: 8.13.0 Affected: 8.12.1 Affected: 8.12.0 Affected: 8.11.1 Affected: 8.11.0 Affected: 8.10.1 Affected: 8.10.0 Affected: 8.9.1 Affected: 8.9.0 Affected: 8.8.0 Affected: 8.7.1 Affected: 8.7.0 Affected: 8.6.0 Affected: 8.5.0 Affected: 8.4.0 Affected: 8.3.0 Affected: 8.2.1 Affected: 8.2.0 Affected: 8.1.2 Affected: 8.1.1 Affected: 8.1.0 Affected: 8.0.1 Affected: 8.0.0 Affected: 7.88.1 Affected: 7.88.0 Affected: 7.87.0 Affected: 7.86.0 Affected: 7.85.0 Affected: 7.84.0 Affected: 7.83.1 Affected: 7.83.0 Affected: 7.82.0 Affected: 7.81.0 Affected: 7.80.0 Affected: 7.79.1 Affected: 7.79.0 Affected: 7.78.0 Affected: 7.77.0 Affected: 7.76.1 Affected: 7.76.0 Affected: 7.75.0 Affected: 7.74.0 Affected: 7.73.0 Affected: 7.72.0 Affected: 7.71.1 Affected: 7.71.0 Affected: 7.70.0 Affected: 7.69.1 Affected: 7.69.0 Affected: 7.68.0 Affected: 7.67.0 Affected: 7.66.0 Affected: 7.65.3 Affected: 7.65.2 Affected: 7.65.1 Affected: 7.65.0 Affected: 7.64.1 Affected: 7.64.0 Affected: 7.63.0 Affected: 7.62.0 Affected: 7.61.1 Affected: 7.61.0 Affected: 7.60.0 Affected: 7.59.0 Affected: 7.58.0 Affected: 7.57.0 Affected: 7.56.1 Affected: 7.56.0 Affected: 7.55.1 Affected: 7.55.0 Affected: 7.54.1 Affected: 7.54.0 Affected: 7.53.1 Affected: 7.53.0 Affected: 7.52.1 Affected: 7.52.0 Affected: 7.51.0 Affected: 7.50.3 Affected: 7.50.2 Affected: 7.50.1 Affected: 7.50.0 Affected: 7.49.1 Affected: 7.49.0 Affected: 7.48.0 Affected: 7.47.1 Affected: 7.47.0 Affected: 7.46.0 Affected: 7.45.0 Affected: 7.44.0 Affected: 7.43.0 Affected: 7.42.1 Affected: 7.42.0 Affected: 7.41.0 Affected: 7.40.0 Affected: 7.39.0 Affected: 7.38.0 Affected: 7.37.1 Affected: 7.37.0 Affected: 7.36.0 Affected: 7.35.0 Affected: 7.34.0 Affected: 7.33.0 Affected: 7.32.0 Affected: 7.31.0 Affected: 7.30.0 Affected: 7.29.0 Affected: 7.28.1 Affected: 7.28.0 Affected: 7.27.0 Affected: 7.26.0 Affected: 7.25.0 Affected: 7.24.0 Affected: 7.23.1 Affected: 7.23.0 Affected: 7.22.0 Affected: 7.21.7 Affected: 7.21.6 Affected: 7.21.5 Affected: 7.21.4 Affected: 7.21.3 Affected: 7.21.2 Affected: 7.21.1 Affected: 7.21.0 Affected: 7.20.1 Affected: 7.20.0 Affected: 7.19.7 Affected: 7.19.6 Affected: 7.19.5 Affected: 7.19.4 Affected: 7.19.3 Affected: 7.19.2 Affected: 7.19.1 Affected: 7.19.0 Affected: 7.18.2 Affected: 7.18.1 Affected: 7.18.0 Affected: 7.17.1 Affected: 7.17.0 Affected: 7.16.4 Affected: 7.16.3 Affected: 7.16.2 Affected: 7.16.1 Affected: 7.16.0 Affected: 7.15.5 Affected: 7.15.4 Affected: 7.15.3 Affected: 7.15.2 Affected: 7.15.1 Affected: 7.15.0 Affected: 7.14.1 Affected: 7.14.0 |
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{
"url": "https://curl.se/docs/CVE-2026-6429.html"
},
{
"url": "https://hackerone.com/reports/3677759"
}
],
"title": "netrc credential leak with reused proxy connection",
"x_generator": {
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"x_osv": {
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"last_affected": "8.19.0",
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"id": "CURL-CVE-2026-6429",
"modified": "2026-09-07T10:34:51.00Z",
"published": "2026-04-29T08:00:00.00Z",
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},
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CVE-2026-7009 (GCVE-0-2026-7009)
Vulnerability from cvelistv5 – Published: 2026-05-13 08:28 – Updated: 2026-05-13 14:20
VLAI
EPSS
VEX
Title
OCSP stapling bypass with Apple SecTrust
Summary
When curl is told to use the Certificate Status Request TLS extension, often
referred to as *OCSP stapling*, to verify that the server certificate is
valid, it fails to detect OCSP problems and instead wrongly consider the
response as fine.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-13 14:20 UTC
Assigner
References
Impacted products
Credits
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"url": "http://www.openwall.com/lists/oss-security/2026/04/29/12"
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CVE-2026-7168 (GCVE-0-2026-7168)
Vulnerability from cvelistv5 – Published: 2026-05-13 08:29 – Updated: 2026-09-15 06:03
VLAI
EPSS
VEX
Title
cross-proxy Digest auth state leak
Summary
Successfully using libcurl to do a transfer over a specific HTTP proxy
(`proxyA`) with **Digest** authentication and then changing the proxy host to
a second one (`proxyB`) for a second transfer, reusing the same handle, makes
libcurl wrongly pass on the `Proxy-Authorization:` header field meant for
`proxyA`, to `proxyB`.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-13 14:18 UTC
CWE
- CWE-294 - Authentication Bypass by Capture-replay
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| curl | curl |
Affected:
7.12.0 , < 8.14.2
(semver)
Affected: 8.15.0 , < 8.16.1 (semver) Affected: 8.17.0 , < 8.20.0 (semver) |
|
| curl | curl |
Affected:
fc6eff13b5414caf6edf22d73a3239e074a04216 , < c1cfdf59acbaf9504c4578d4cf56cdd7c8594507
(git)
|
|
| curl | curl |
Affected:
8.19.0
Affected: 8.18.0 Affected: 8.17.0 Affected: 8.16.0 Affected: 8.15.0 Affected: 8.14.1 Affected: 8.14.0 Affected: 8.13.0 Affected: 8.12.1 Affected: 8.12.0 Affected: 8.11.1 Affected: 8.11.0 Affected: 8.10.1 Affected: 8.10.0 Affected: 8.9.1 Affected: 8.9.0 Affected: 8.8.0 Affected: 8.7.1 Affected: 8.7.0 Affected: 8.6.0 Affected: 8.5.0 Affected: 8.4.0 Affected: 8.3.0 Affected: 8.2.1 Affected: 8.2.0 Affected: 8.1.2 Affected: 8.1.1 Affected: 8.1.0 Affected: 8.0.1 Affected: 8.0.0 Affected: 7.88.1 Affected: 7.88.0 Affected: 7.87.0 Affected: 7.86.0 Affected: 7.85.0 Affected: 7.84.0 Affected: 7.83.1 Affected: 7.83.0 Affected: 7.82.0 Affected: 7.81.0 Affected: 7.80.0 Affected: 7.79.1 Affected: 7.79.0 Affected: 7.78.0 Affected: 7.77.0 Affected: 7.76.1 Affected: 7.76.0 Affected: 7.75.0 Affected: 7.74.0 Affected: 7.73.0 Affected: 7.72.0 Affected: 7.71.1 Affected: 7.71.0 Affected: 7.70.0 Affected: 7.69.1 Affected: 7.69.0 Affected: 7.68.0 Affected: 7.67.0 Affected: 7.66.0 Affected: 7.65.3 Affected: 7.65.2 Affected: 7.65.1 Affected: 7.65.0 Affected: 7.64.1 Affected: 7.64.0 Affected: 7.63.0 Affected: 7.62.0 Affected: 7.61.1 Affected: 7.61.0 Affected: 7.60.0 Affected: 7.59.0 Affected: 7.58.0 Affected: 7.57.0 Affected: 7.56.1 Affected: 7.56.0 Affected: 7.55.1 Affected: 7.55.0 Affected: 7.54.1 Affected: 7.54.0 Affected: 7.53.1 Affected: 7.53.0 Affected: 7.52.1 Affected: 7.52.0 Affected: 7.51.0 Affected: 7.50.3 Affected: 7.50.2 Affected: 7.50.1 Affected: 7.50.0 Affected: 7.49.1 Affected: 7.49.0 Affected: 7.48.0 Affected: 7.47.1 Affected: 7.47.0 Affected: 7.46.0 Affected: 7.45.0 Affected: 7.44.0 Affected: 7.43.0 Affected: 7.42.1 Affected: 7.42.0 Affected: 7.41.0 Affected: 7.40.0 Affected: 7.39.0 Affected: 7.38.0 Affected: 7.37.1 Affected: 7.37.0 Affected: 7.36.0 Affected: 7.35.0 Affected: 7.34.0 Affected: 7.33.0 Affected: 7.32.0 Affected: 7.31.0 Affected: 7.30.0 Affected: 7.29.0 Affected: 7.28.1 Affected: 7.28.0 Affected: 7.27.0 Affected: 7.26.0 Affected: 7.25.0 Affected: 7.24.0 Affected: 7.23.1 Affected: 7.23.0 Affected: 7.22.0 Affected: 7.21.7 Affected: 7.21.6 Affected: 7.21.5 Affected: 7.21.4 Affected: 7.21.3 Affected: 7.21.2 Affected: 7.21.1 Affected: 7.21.0 Affected: 7.20.1 Affected: 7.20.0 Affected: 7.19.7 Affected: 7.19.6 Affected: 7.19.5 Affected: 7.19.4 Affected: 7.19.3 Affected: 7.19.2 Affected: 7.19.1 Affected: 7.19.0 Affected: 7.18.2 Affected: 7.18.1 Affected: 7.18.0 Affected: 7.17.1 Affected: 7.17.0 Affected: 7.16.4 Affected: 7.16.3 Affected: 7.16.2 Affected: 7.16.1 Affected: 7.16.0 Affected: 7.15.5 Affected: 7.15.4 Affected: 7.15.3 Affected: 7.15.2 Affected: 7.15.1 Affected: 7.15.0 Affected: 7.14.1 Affected: 7.14.0 Affected: 7.13.2 Affected: 7.13.1 Affected: 7.13.0 Affected: 7.12.3 Affected: 7.12.2 Affected: 7.12.1 Affected: 7.12.0 |
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"7.50.3",
"7.50.2",
"7.50.1",
"7.50.0",
"7.49.1",
"7.49.0",
"7.48.0",
"7.47.1",
"7.47.0",
"7.46.0",
"7.45.0",
"7.44.0",
"7.43.0",
"7.42.1",
"7.42.0",
"7.41.0",
"7.40.0",
"7.39.0",
"7.38.0",
"7.37.1",
"7.37.0",
"7.36.0",
"7.35.0",
"7.34.0",
"7.33.0",
"7.32.0",
"7.31.0",
"7.30.0",
"7.29.0",
"7.28.1",
"7.28.0",
"7.27.0",
"7.26.0",
"7.25.0",
"7.24.0",
"7.23.1",
"7.23.0",
"7.22.0",
"7.21.7",
"7.21.6",
"7.21.5",
"7.21.4",
"7.21.3",
"7.21.2",
"7.21.1",
"7.21.0",
"7.20.1",
"7.20.0",
"7.19.7",
"7.19.6",
"7.19.5",
"7.19.4",
"7.19.3",
"7.19.2",
"7.19.1",
"7.19.0",
"7.18.2",
"7.18.1",
"7.18.0",
"7.17.1",
"7.17.0",
"7.16.4",
"7.16.3",
"7.16.2",
"7.16.1",
"7.16.0",
"7.15.5",
"7.15.4",
"7.15.3",
"7.15.2",
"7.15.1",
"7.15.0",
"7.14.1",
"7.14.0",
"7.13.2",
"7.13.1",
"7.13.0",
"7.12.3",
"7.12.2",
"7.12.1",
"7.12.0"
]
}
],
"aliases": [
"CVE-2026-7168"
],
"credits": [
{
"name": "Muhamad Arga Reksapati",
"type": "finder"
},
{
"name": "Daniel Stenberg",
"type": "remediation developer"
}
],
"database_specific": {
"CWE": {
"desc": "Authentication Bypass by Capture-replay",
"id": "CWE-294"
},
"URL": "https://curl.se/docs/CVE-2026-7168.json",
"affects": "lib",
"issue": "https://hackerone.com/reports/3697719",
"last_affected": "8.19.0",
"package": "curl",
"severity": "Medium",
"www": "https://curl.se/docs/CVE-2026-7168.html"
},
"details": "Successfully using libcurl to do a transfer over a specific HTTP proxy\n(`proxyA`) with **Digest** authentication and then changing the proxy host to\na second one (`proxyB`) for a second transfer, reusing the same handle, makes\nlibcurl wrongly pass on the `Proxy-Authorization:` header field meant for\n`proxyA`, to `proxyB`.",
"id": "CURL-CVE-2026-7168",
"modified": "2026-09-07T10:34:51.00Z",
"published": "2026-04-29T08:00:00.00Z",
"schema_version": "1.5.0",
"summary": "cross-proxy Digest auth state leak"
}
}
},
"cveMetadata": {
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"assignerShortName": "curl",
"cveId": "CVE-2026-7168",
"datePublished": "2026-05-13T08:29:08.900Z",
"dateReserved": "2026-04-27T07:37:37.172Z",
"dateUpdated": "2026-09-15T06:03:07.424Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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