Vulnerability in Red Hat Build Of Keycloak 26.4
CVE-2026-3190
A flaw was found in Keycloak. The User-Managed Access (UMA) 2.0 Protection API endpoint for permission tickets fails to enforce the `uma_protection` role check. This allows any authenticated user with a token issued for a resource server c…
EPSS: 0.000 (2.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Red Hat Build Of Keycloak 26.4 — versions 26.4.11-1, 26.4-14
- Red Hat Build Of Keycloak 26.4.11
Weakness classification (CWE)
References
- RHSA-2026:6477 (vendor-advisory, x_refsource_REDHAT)
- RHSA-2026:6478 (vendor-advisory, x_refsource_REDHAT)
- access.redhat.com/security/cve/CVE-2026-3190 (vdb-entry, x_refsource_REDHAT)
- RHBZ#2442572 (issue-tracking, x_refsource_REDHAT)
Frequently asked questions
- What is CVE-2026-3190?
- CVE-2026-3190 is a medium-severity vulnerability in Red Hat Build Of Keycloak 26.4, classified under Improper Handling of Insufficient Permissions or Privileges. CVSS score: 4.3/10. Published 2026-03-26.
- How severe is CVE-2026-3190?
- Medium severity. CVSS v3 base score is 4.3 out of 10.