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…

PriorityP267critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

0.48%

37.8th percentile

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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
citeum	opencti	>= 6.9.0 < 6.9.13	6.9.13
opencti-platform	opencti	—	—

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