The Web Services Notification (WSN) security component of IBM WebSphere Application Server before 6.1.0.2 allows attackers to obtain unspecified access without supplying a username and password, aka PK28374.
Multiple unspecified vulnerabilities in IBM WebSphere Application Server before 6.1.0.1 have unspecified impact and attack vectors involving (1) "SOAP requests and responses", (2) mbean, (3) ThreadIdentitySupport, and possibly others.