Cross-site request forgery (CSRF) vulnerability in the Report Builder and Data Collection Component (DCC) in IBM Jazz Reporting Service (JRS) 5.x before 5.0.2 ifix016, 6.0 and 6.0.1 before 6.0.1 ifix005, and 6.0.2 before ifix002 allows remote authenticated users to hijack the authentication of arbitrary users.