CVE-2026-56305 (GCVE-0-2026-56305)
Vulnerability from cvelistv5 – Published: 2026-07-10 13:57 – Updated: 2026-07-10 13:57
VLAI
EPSS
VEX
Title
Capgo - Authentication Bypass in Password Change via Missing Current Password Validation
Summary
Capgo before 12.128.2 contains an authentication bypass vulnerability in the password change endpoint that allows attackers to change user passwords without requiring current password confirmation. Attackers with temporary session access can exploit this flaw to permanently lock out legitimate users and achieve full account takeover.
Severity
CWE
- CWE-620 - Unverified Password Change
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Cap-go/capgo/security/advisori… | vendor-advisory |
| https://www.vulncheck.com/advisories/capgo-authen… | third-party-advisory |
Impacted products
Date Public
2026-02-10 00:00
{
"containers": {
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"versions": [
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"status": "affected",
"version": "0",
"versionType": "semver"
},
{
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"version": "12.128.2",
"versionType": "semver"
}
]
}
],
"datePublic": "2026-02-10T00:00:00.000Z",
"descriptions": [
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}
],
"metrics": [
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"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
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"attackVector": "NETWORK",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N",
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{
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"baseScore": 8.3,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L",
"version": "3.1"
},
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}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-620",
"description": "Unverified Password Change",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-07-10T13:57:54.294Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-rjr5-qxqj-cx8g)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/Cap-go/capgo/security/advisories/GHSA-rjr5-qxqj-cx8g"
},
{
"name": "VulnCheck Advisory: Capgo - Authentication Bypass in Password Change via Missing Current Password Validation",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/capgo-authentication-bypass-in-password-change-via-missing-current-password-validation"
}
],
"title": "Capgo - Authentication Bypass in Password Change via Missing Current Password Validation",
"x_generator": {
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}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-56305",
"datePublished": "2026-07-10T13:57:54.294Z",
"dateReserved": "2026-06-20T12:53:19.893Z",
"dateUpdated": "2026-07-10T13:57:54.294Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-56305",
"date": "2026-07-12",
"epss": "0.00357",
"percentile": "0.27784"
},
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}
}
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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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