The Web client in IBM Rational ClearQuest 7.1.1.x before 7.1.1.4 and 7.1.2.x before 7.1.2.1 allows remote authenticated users to bypass "restricted user" limitations, and read arbitrary records, via a modified record number in the URL for a RECORD action, as demonstrated by a modified bookmark.
https://exchange.xforce.ibmcloud.com/vulnerabilities/64440
https://euvd.enisa.europa.eu/vulnerability/EUVD-2010-4568