CVE-2026-27960

Critical

Published: 05/05/2026(UTC)Translated: 14/06/2026(UTC)NVD NIST

Summary

In OpenCTI, 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.

Risk Assessment

Attackers may gain access to system data and functions as an administrator, potentially leading to serious security breaches within the organization.

Recommendation

It is recommended to upgrade to version 6.9.13 or disable the default admin account using the `APP__ADMIN__EXTERNALLY_MANAGED` configuration.

Original NVD description (English source)

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.