IBM Tivoli Common Reporting (TCR) 2.1 before IF14, 2.1.1 before IF22, 2.1.1.2 before IF9, 3.1.0.0 through 3.1.2 as used in Cognos Business Intelligence before 10.2 IF16, and 3.1.2.1 as used in Cognos Business Intelligence before 10.2.1.1 IF12 allows local users to bypass the Cognos Application Firewall (CAF) protection mechanism via leading whitespace in the BackURL field.