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CVE-2025-14777 - Keycloak IDOR in realm client creating/deleting #45650
Description
Keycloak IDOR in realm client creating/deleting
An IDOR (Broken Access Control) vulnerability exists in the admin API endpoints for authorization resource management, specifically in ResourceSetService and PermissionTicketService. The system checks authorization against the resourceServer (client) ID provided in the API request, but the backend database lookup and modification operations (findById, delete) only use the resourceId. This mismatch allows an authenticated attacker with fine-grained admin permissions for one client (e.g., Client A) to delete or update resources belonging to another client (Client B) within the same realm by supplying a valid resource ID.
This issue was originally tracked in the private repository as #303. Migrated via lift-embargo process.
Activity
[-]CVE-2025-14777 rhbk/keycloak-rhel9-operator: Keycloak IDOR in realm client creating/deleting[/-][+]CVE-2025-14777 Keycloak IDOR in realm client creating/deleting[/+][-]CVE-2025-14777 Keycloak IDOR in realm client creating/deleting[/-][+]CVE-2025-14777 - Keycloak IDOR in realm client creating/deleting[/+]pedroigor commentedon Feb 3, 2026
FTR, we need to make sure that the resource being managed maps to the resource server where it belongs.
8 remaining items
Check resource server when managing their resources
Check resource server when managing their resources