Keycloak-services: keycloak-services: group policy extendchildren matches sibling group path prefixes
A flaw was found in the group policy evaluation logic of Keycloak, an identity and access management solution. When a group policy is set to extend permissions to child groups, the system incorrectly uses a simple text-based prefix check to verify group membership. This allows a user who belongs to a different group wi…
Severity medium: primary CNA CVSS 6.5 v3.1 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2026-07-31T07:08:26.588Z. Updated 2026-08-31T15:01:24.646Z.