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.
CWE
  • CWE-287 - Improper Authentication
Assigner
References
Impacted products
Vendor Product Version
OpenCTI-Platform opencti Affected: >= 6.6.0, < 6.9.13
Create a notification for this product.
Show details on NVD website

{
  "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.

Impacted products
Name purl
pycti pkg:pypi/pycti

{
  "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"
    }
  ]
}