IBM Cognos Business Intelligence 8.4.1 before IF3, 10.1.0 before IF4, 10.1.1 before IF4, 10.2.0 before IF4, 10.2.1 before IF2, and 10.2.1.1 before IF1 allows remote authenticated users to read arbitrary files via an XML external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.