Authentication Policy Bypass

org.keycloak, keycloak-services is vulnerable to an authentication policy bypass. The vulnerability is due to improper evaluation of the client state during client updates, which allows an attacker with client management permissions to create a public client and subsequently update it to a...

CVE-2026-18573

A flaw was found in the keycloak-services component of Keycloak, which is used for managing authentication and authorization flows. The issue occurs when a realm administrator configures client policies to enforce specific authentication requirements on confidential clients. Due to improper...

PT-2026-67138

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw in the keycloak-services component, used for managing authentication and authorization flows, allows a bypass of client access-type policy conditions. When a realm administrator...

keycloak: Keycloak: Privilege escalation via improper scope mapping enforcement

A flaw was found in Keycloak's Fine-Grained Admin Permissions FGAPv2 feature. An administrator with limited client management permissions can exploit this vulnerability to assign any realm role, including highly privileged roles, to a client's scope mapping. This bypasses intended security...