Directory traversal vulnerability in download.php in the Passive Capture Application (PCA) web console in IBM Tealeaf CX 7.x, 8.x through 8.6, 8.7 before FP2, and 8.8 before FP2 allows remote authenticated users to bypass intended access restrictions via a .. (dot dot) in the log parameter, as demonstrated using a crafted request for a customer-support file, as demonstrated by a log file.