IBM WebSphere Application Server (WAS) 6.1 before 6.1.0.45, 7.0 before 7.0.0.25, 8.0 before 8.0.0.5, and 8.5 before 8.5.0.1, when multi-domain support is configured, does not purge password data from the authentication cache, which has unspecified impact and remote attack vectors.