CVE-2018-14637: Red Hat Keycloak

High severity, CVSS 8.1. EPSS: 0.8% chance of exploitation in the next 30 days.

The SAML broker consumer endpoint in Keycloak before version 4.6.0.Final ignores expiration conditions on SAML assertions. An attacker can exploit this vulnerability to perform a replay attack.

Affected products

• Red Hat Keycloak: before 4.6.0 (fixed in 4.6.0)

Published 2018-11-30. Last modified 2026-06-17.