Search criteria
Related vulnerabilities
CVE-2026-27960 (GCVE-0-2026-27960)
Vulnerability from cvelistv5 – Published: 2026-05-05 18:35 – Updated: 2026-05-06 15:17
VLAI?
Title
OpenCTI privilege escalation and unauthenticated access via default admin account
Summary
OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. In versions 6.6.0 through 6.9.12, there is a privilege escalation vulnerability that can be exploited by unauthenticated attackers to query the API as any existing user, including the default admin account. This issue has been fixed in version 6.9.13. As a workaround, the default admin can be disabled using the `APP__ADMIN__EXTERNALLY_MANAGED` configuration.
Severity ?
9.8 (Critical)
CWE
- CWE-287 - Improper Authentication
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/OpenCTI-Platform/opencti/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OpenCTI-Platform | opencti |
Affected:
>= 6.6.0, < 6.9.13
|
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-27960",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-05-06T15:16:02.544220Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-05-06T15:17:00.173Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "opencti",
"vendor": "OpenCTI-Platform",
"versions": [
{
"status": "affected",
"version": "\u003e= 6.6.0, \u003c 6.9.13"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. In versions 6.6.0 through 6.9.12, there is a privilege escalation vulnerability that can be exploited by unauthenticated attackers to query the API as any existing user, including the default admin account. This issue has been fixed in version 6.9.13. As a workaround, the default admin can be disabled using the `APP__ADMIN__EXTERNALLY_MANAGED` configuration."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-287",
"description": "CWE-287: Improper Authentication",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-05T18:35:41.854Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-6vvv-vmfr-xhrx",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-6vvv-vmfr-xhrx"
}
],
"source": {
"advisory": "GHSA-6vvv-vmfr-xhrx",
"discovery": "UNKNOWN"
},
"title": "OpenCTI privilege escalation and unauthenticated access via default admin account"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-27960",
"datePublished": "2026-05-05T18:35:41.854Z",
"dateReserved": "2026-02-25T03:24:57.792Z",
"dateUpdated": "2026-05-06T15:17:00.173Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
PYSEC-2026-119
Vulnerability from pysec - Published: 2026-05-05 19:16 - Updated: 2026-05-20 09:19
VLAI?
Details
OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. In versions 6.6.0 through 6.9.12, there is a privilege escalation vulnerability that can be exploited by unauthenticated attackers to query the API as any existing user, including the default admin account. This issue has been fixed in version 6.9.13. As a workaround, the default admin can be disabled using the APP__ADMIN__EXTERNALLY_MANAGED configuration.
Severity ?
9.8 (Critical)
Impacted products
| Name | purl | pycti | pkg:pypi/pycti |
|---|
Aliases
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "pycti",
"purl": "pkg:pypi/pycti"
},
"ranges": [
{
"events": [
{
"introduced": "6.9.0"
},
{
"fixed": "6.9.13"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"6.9.0",
"6.9.1",
"6.9.10",
"6.9.11",
"6.9.12",
"6.9.2",
"6.9.3",
"6.9.4",
"6.9.5",
"6.9.6",
"6.9.7",
"6.9.8",
"6.9.9"
]
}
],
"aliases": [
"CVE-2026-27960",
"GHSA-6vvv-vmfr-xhrx"
],
"details": "OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. In versions 6.6.0 through 6.9.12, there is a privilege escalation vulnerability that can be exploited by unauthenticated attackers to query the API as any existing user, including the default admin account. This issue has been fixed in version 6.9.13. As a workaround, the default admin can be disabled using the `APP__ADMIN__EXTERNALLY_MANAGED` configuration.",
"id": "PYSEC-2026-119",
"modified": "2026-05-20T09:19:14.796649Z",
"published": "2026-05-05T19:16:21.380Z",
"references": [
{
"type": "ADVISORY",
"url": "https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-6vvv-vmfr-xhrx"
}
],
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}