Best Practical Solutions RT 3.8.x before 3.8.12 and 4.x before 4.0.6 allows remote attackers to execute arbitrary code and gain privileges via unspecified vectors, a different vulnerability than CVE-2011-4458 and CVE-2011-5093.
http://lists.bestpractical.com/pipermail/rt-announce/2012-May/000204.html
http://lists.bestpractical.com/pipermail/rt-announce/2012-May/000203.html
http://lists.bestpractical.com/pipermail/rt-announce/2012-May/000202.html