Apache Shiro before 1.1.0, and JSecurity 0.9.x, does not canonicalize URI paths before comparing them to entries in the shiro.ini file, which allows remote attackers to bypass intended access restrictions via a crafted request, as demonstrated by the /./account/index.jsp URI.
https://github.com/sh1inroot-alt/shiro-cve-2010-3863
https://github.com/advisories/GHSA-3jx9-mgwx-4q83
https://exchange.xforce.ibmcloud.com/vulnerabilities/62959
http://www.vupen.com/english/advisories/2010/2888
http://www.securityfocus.com/archive/1/514616/100/0/threaded