CVE-2019-14910: Red Hat Keycloak

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

A vulnerability was found in keycloak 7.x, when keycloak is configured with LDAP user federation and StartTLS is used instead of SSL/TLS from the LDAP server (ldaps), in this case user authentication succeeds even if invalid password has entered.

Affected products

• Red Hat Keycloak: version 7.0.0 only; version 7.0.1 only

Published 2019-12-05. Last modified 2026-06-17.