keycloak-services: keycloak-services: DCR protocol mapper type-swap policy bypass allows privilege escalation

A flaw was found in Keycloak's Dynamic Client Registration DCR security policy management. The "Allowed Protocol Mapper Types" policy, which restricts which types of data mappers a client can use, fails to re-validate the mapper type during a client update if the mapper's configuration remains...

Access of Resource Using Incompatible Type ('Type Confusion')

Overview org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services. Affected versions of this package are vulnerable to Access of Resource Using Incompatible Type 'Type Confusion' in ProtocolMappersClientRegistrationPolicy via th...

CVE-2026-4629

CVE-2026-4629 affects Keycloak. A highly privileged user with the ability to manage clients can inject a hardcoded role mapper into any client, bypassing scope restrictions and injecting the realm-admin role into generated tokens, yielding full administrative access to the realm. The vulnerabilit...

GHSA-7XF9-4JFC-WGM4 Keycloak: manage-clients permission escalates to full realm admin access

A flaw was found in Keycloak. An administrator with manage-clients permission can exploit a misconfiguration where this permission is equivalent to manage-permissions. This allows the administrator to escalate privileges and gain control over roles, users, or other administrative functions within...