The Servlet Engine and Web Container in IBM WebSphere Application Server (WAS) before 6.0.2.17, when ibm-web-ext.xmi sets fileServingEnabled to true and servlet caching is enabled, allows remote attackers to obtain JSP source code and other sensitive information via "specific requests."
http://www.vupen.com/english/advisories/2007/0970
http://www.vupen.com/english/advisories/2006/5050
http://www.securityfocus.com/bid/22991
http://www.securityfocus.com/bid/21636
http://www-1.ibm.com/support/docview.wss?uid=swg27006876
http://www-1.ibm.com/support/docview.wss?uid=swg24015155
http://www-1.ibm.com/support/docview.wss?uid=swg21243541