CVE-2026-27960 OpenCTI privilege escalation and unauthenticated access via default admin account

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 admi...

CVE-2026-27960

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 admi...

CVE-2026-27960 OpenCTI privilege escalation and unauthenticated access via default admin account

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 admi...

EUVD-2026-27420

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 admi...

CVE-2026-27960 OpenCTI privilege escalation and unauthenticated access via default admin account

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 admi...

CVE-2026-27960

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 admi...

CVE-2026-27960

The OpenCTI platform (versions 6.6.0 through 6.9.12 ) contains a critical privilege escalation vulnerability allowing unauthenticated attackers to query the API as any existing user, including the default admin account. The root cause is an authentication bypass where the system accepts a Bearer ...

OpenCTI authorization issue vulnerabilities

OpenCTI is an open-source network threat intelligence platform developed by OpenCTI. Versions 6.6.0 to 6.9.12 of OpenCTI have vulnerabilities related to authorization. Attackers can exploit these vulnerabilities to access the API as any existing user, including the default administrator account...

PT-2026-37214

Name of the Vulnerable Software and Affected Versions OpenCTI versions 6.6.0 through 6.9.12 Description OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. A privilege escalation issue allows unauthenticated attackers to query the API as any existi...

CVE-2026-27960: Improper Authentication

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 admi...

PYSEC-2026-2265

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 6.9.5, the safeEjs.ts file does not properly sanitize EJS templates. Users with the Manage customization capability can run arbitrary JavaScript in the context of the OpenCTI platform...

PYSEC-2026-2265

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 6.9.5, the safeEjs.ts file does not properly sanitize EJS templates. Users with the Manage customization capability can run arbitrary JavaScript in the context of the OpenCTI platform...

CVE-2026-39980

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 6.9.5, the safeEjs.ts file does not properly sanitize EJS templates. Users with the Manage customization capability can run arbitrary JavaScript in the context of the OpenCTI platform...

EUVD-2026-20972

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 6.9.5, the safeEjs.ts file does not properly sanitize EJS templates. Users with the Manage customization capability can run arbitrary JavaScript in the context of the OpenCTI platform...

CVE-2026-39980 OpenCTI affected by RCE via notifier template

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 6.9.5, the safeEjs.ts file does not properly sanitize EJS templates. Users with the Manage customization capability can run arbitrary JavaScript in the context of the OpenCTI platform...

CVE-2026-39980

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 6.9.5, the safeEjs.ts file does not properly sanitize EJS templates. Users with the Manage customization capability can run arbitrary JavaScript in the context of the OpenCTI platform...

CVE-2026-39980

OpenCTI prior to 6.9.5 has a vulnerability in safeEjs.ts where EJS templates are not properly sanitized, allowing users with Manage customization capability to run arbitrary JavaScript in the platform process context during notifier template execution. The issue is fixed in 6.9.5; CVSS 3.1 base s...

CVE-2026-39980 OpenCTI affected by RCE via notifier template

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 6.9.5, the safeEjs.ts file does not properly sanitize EJS templates. Users with the Manage customization capability can run arbitrary JavaScript in the context of the OpenCTI platform...

OpenCTI security vulnerabilities

OpenCTI is an open-source network threat intelligence platform developed by OpenCTI. Versions of OpenCTI prior to 6.9.5 contained security vulnerabilities. These vulnerabilities stemmed from the improper cleanup of EJS templates in the safeEjs.ts file, allowing users with administrative privilege...

PT-2026-31664

Name of the Vulnerable Software and Affected Versions OpenCTI versions prior to 6.9.5 Description OpenCTI is a platform for managing cyber threat intelligence. Prior to version 6.9.5, the safeEjs.ts file does not properly sanitize EJS templates. Users with Manage customization capability can...