After a successful WS-Security UsernameToken authentication, the caller identity stays associated with the worker thread once the request completes when web services are served by the standalone OpenEJB HTTP server. A remote unauthenticated attacker whose request is later processed on the same thread can invoke protected EJB methods with the identity of a previously authenticated user. Users are recommended to upgrade to version 10.3.0 or 11.0.0-M2, which fix the issue.
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