VMware SpringSource Spring Security 2.x before 2.0.6 and 3.x before 3.0.4, and Acegi Security 1.0.0 through 1.0.7, as used in IBM WebSphere Application Server (WAS) 6.1 and 7.0, allows remote attackers to bypass security constraints via a path parameter.
https://issues.apache.org/bugzilla/show_bug.cgi?id=25015
http://www.springsource.com/security/cve-2010-3700
http://www.securityfocus.com/bid/44496
http://www.securityfocus.com/archive/1/514517/100/0/threaded