There is a potential privilege escalation vulnerability in traditional WebSphere Application Server shipped with WebSphere Patterns when using the OpenID Connect (OIDC) Trust Association Interceptor (TAI). This does not affect WebSphere Application Server Liberty.
Consult the security bulletin: Security Bulletin: Privilege Escalation Vulnerability in WebSphere Application Server (CVE-2017-1151) for vulnerability details and information about fixes.
This vulnerability affects the following versions and releases of IBM WebSphere Application Server: