CVE-2026-9800
Keycloak: keycloak policy enforcer: authorization bypass via incorrect uri comparison
Description
A flaw was found in Keycloak Policy Enforcer. This vulnerability allows any authenticated user to bypass all authorization policies, including role, scope, and User-Managed Access (UMA) permission checks. By including the configured access-denied page path within a request URL, either as a path segment or a query parameter, an attacker can gain unauthorized access to protected resources.
INFO
Published Date :
June 25, 2026, 4:16 p.m.
Last Modified :
June 25, 2026, 4:16 p.m.
Remotely Exploit :
Yes !
Source :
redhat
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 53f830b8-0a3f-465b-8143-3b8a9948e749 |
Solution
- Update Keycloak Policy Enforcer to the latest version.
- Apply vendor-provided patches or configuration changes.
- Review access control configurations carefully.
- Test authorization policies thoroughly.
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