CVE-2025-14777

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{"analysis": {"en": {"generated_at": "2026-04-28T18:33:04.319067+00:00", "value": {"mitigation_remediation": ["Apply the Red\u202fHat errata RHSA-2026:6477 or RHSA-2026:6478 to upgrade Keycloak to the patched version that fixes the IDOR bug.", "Review client\u2011level administrative permissions and ensure that users only possess admin rights for the clients they own, preventing cross\u2011client resource manipulation.", "Implement monitoring for abnormal usage of the admin API endpoints, such as unexpected resource deletions or updates, to detect potential exploitation attempts.", "No official workaround is provided by Red\u00a0Hat for this vulnerability."], "summary": {"action": "Apply Patch", "impact": "Unauthorized resource manipulation"}, "threat_synthesis": {"affected_systems": "The affected products are the Red\u202fHat build of Keycloak 26.4 and 26.4.11 deployed on Enterprise Linux\u00a09, where the admin API is exposed.", "description_and_impact": "A broken access control flaw in Keycloak allows an authenticated attacker with administrative privileges on a single client to delete or modify authorization resources belonging to a different client within the same realm. The vulnerability arises because the admin API endpoints for resource and permission ticket management validate the client ID provided in the request but perform database lookup and modification solely on the resource ID, creating an IDOR condition. This leads to unintended privilege escalation and unauthorized alteration of resource definitions.", "risk_and_exploitability": "The CVSS score is 6, indicating a moderate impact. The EPSS score is less than 1%, meaning the probability of exploitation is very low, and the vulnerability is not listed in the CISA KEV catalog. The likely attack vector is an authenticated user with fine\u2011grained client admin rights who sends API requests to ResourceSetService or PermissionTicketService with the resource ID of another client\u2019s resource. Because only the resource ID is checked for deletion or update, the attacker can delete or modify resources belonging to a separate client in the same realm."}}}}, "created": "2026-04-28T18:45:15.969508+00:00", "updated": "2026-04-28T18:45:15.969527+00:00", "vendors": []}