IBM WebSphere Application Server (WAS) 7.0 before 7.0.0.5 does not properly read the portletServingEnabled parameter in ibm-portlet-ext.xmi, which allows remote attackers to bypass intended access restrictions via unknown vectors.
https://exchange.xforce.ibmcloud.com/vulnerabilities/52375
http://www.securityfocus.com/bid/36155
http://www-1.ibm.com/support/docview.wss?uid=swg1PK89385