CVE-2011-4459
Best Practical Solutions RT 3.x before 3.8.12 and 4.x before 4.0.6 does not properly disable groups, which allows remote authenticated users to bypass intended access restrictions in opportunistic circumstances by leveraging a group membership.
Date published : 2012-06-04
http://www.securityfocus.com/bid/53660
http://lists.bestpractical.com/pipermail/rt-announce/2012-May/000203.html