CVE-2026-15945 Keycloak-services: keycloak-services: group hierarchy search discloses hidden parent groups under fgap v2

A flaw was found in the group search functionality of the Keycloak server's administrative API. When Fine-Grained Admin Permissions FGAP v2 is enabled, a delegated administrator can bypass access restrictions to view parent groups they are not authorized to see. By searching for a child group the...

CVE-2026-15945

CVE-2026-15945 affects Keycloak server’s administrative API with Fine-Grained Admin Permissions (FGAP) v2 enabled. A delegated administrator can bypass access controls by performing a group search for a child group they can view, causing the system to return the full details of the parent group. ...