


Perceptive Security
SOC/SIEM Consultancy

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 esca…
Published:
4 mei 2026 om 22:00:00
Alert date:
5 mei 2026 om 20:13:49
Source:
nvd.nist.gov
Security Tools
OpenCTI, an open source cyber threat intelligence platform, contains a privilege escalation vulnerability in versions 6.6.0 through 6.9.12. The vulnerability allows unauthenticated attackers to query the API as any existing user, including the default admin account. This represents a critical security flaw that could lead to complete system compromise. The issue has been patched in version 6.9.13. A workaround is available by disabling the default admin using the APP__ADMIN__EXTERNALLY_MANAGED configuration setting.
Technical details
Mitigation steps:
Affected products:
OpenCTI
Related links:
https://nvd.nist.gov/vuln/detail/CVE-2026-27960
https://github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-6vvv-vmfr-xhrx
Related CVE's:
Related threat actors:
IOC's:
This article was created with the assistance of AI technology by Perceptive.
