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wid-sec-w-2026-0787  ·  Published 2026-03-18  ·  View on BSI CERT-Bund ↗

Keycloak: Multiple Vulnerabilities

CVSS 6.5 MEDIUM

Risk Summary

A flaw was found in Keycloak Admin REST (Representational State Transfer) API. This vulnerability allows information disclosure of sensitive role metadata via insufficient authorization checks on the /admin/realms/{realm}/roles endpoint. 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 the realm. This privilege escalation can occur when admin permissions are enabled at the realm level.

Affected Vendors

Open Source Red Hat

Affected Products (2)

Open Source · Keycloak <26.5.6
Open Source · Keycloak 26.5.6

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