An unspecified vulnerability was found in the IBM WebSphere MQ. By exploiting this vulnerability malicious users can gain priveleges. This vulnerability can be exploited locally at a point related to the queue manager.

IBM WebSphere MQ 5.3 all versions
IBM WebSphere MQ 6.0 versions 6.0.2.5 and earlier
IBM WebSphere MQ 7.0 versions 7.0.0.1 and earlier

Update to latest version