system/workplace/editors/editor.jsp in Alkacon OpenCms before 6.2.2 allows remote authenticated users to read the source code of arbitrary JSP files by specifying the file in the resource parameter, as demonstrated using index.jsp.
https://github.com/advisories/GHSA-c5vw-342h-x5rx
https://exchange.xforce.ibmcloud.com/vulnerabilities/28001
http://www.securityfocus.com/archive/1/441182/100/0/threaded
http://www.opencms.org/opencms/en/shownews.html?id=1002
http://www.opencms.org/export/download/opencms/opencms_6.2.2_src.zip