Critical severity9.8NVD Advisory· Published May 5, 2026· Updated May 12, 2026
CVE-2026-27960
CVE-2026-27960
Description
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.
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Affected products
1Patches
Vulnerability mechanics
References
1- github.com/OpenCTI-Platform/opencti/security/advisories/GHSA-6vvv-vmfr-xhrxnvdMitigationVendor Advisory
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