IBM Eclipse Help System (IEHS), as used in IBM Rational Directory Server 5.1.1 through 5.1.1.2 and 5.2 through 5.2.1 and other products, allows remote attackers to obtain sensitive information by providing a crafted parameter path and then reading the debug information associated with the 500 HTTP status code.
https://exchange.xforce.ibmcloud.com/vulnerabilities/83613