CVE-2023-0091: Red Hat Keycloak

Low severity, CVSS 3.8. EPSS: 0.5% chance of exploitation in the next 30 days.

A flaw was found in Keycloak, where it did not properly check client tokens for possible revocation in its client credential flow. This flaw allows an attacker to access or modify potentially sensitive information.

Affected products

• Red Hat Keycloak: affected versions not specified

Published 2023-01-13. Last modified 2026-06-17.