CVE-2026-9799

Affects Keycloak’s authorization component (org.keycloak.authorization). The vulnerability allows an authenticated user with a granted UMA permission ticket for one resource to bypass per-resource access control by using a specific permission request prefix, granting access to all resources of th...

CVE-2026-9799

A flaw was found in org.keycloak.authorization. An authenticated user with a granted User-Managed Access UMA permission ticket for one resource can exploit this by using a specific permission request prefix to bypass per-resource access control. This allows the user to gain unauthorized access to...