Apache CXF Fediz ships with a number of container-specific plugins to enable WS-Federation for applications. A CSRF (Cross Style Request Forgery) style vulnerability has been found in the Spring 2, Spring 3 and Spring 4 plugins in versions before 1.4.3 and 1.3.3. The vulnerability can result in a security context that is set up using a malicious client's roles for the given enduser.

Apache CXF Fediz ships with an OpenId Connect (OIDC) service which has a Client Registration Service, which is a simple web application that allows clients to be created, deleted, etc. A CSRF (Cross Style Request Forgery) style vulnerability has been found in this web application in Apache CXF Fediz prior to 1.4.0 and 1.3.2, meaning that a malicious web application could create new clients, or reset secrets, etc, after the admin user has logged on to the client registration service and the session is still active.