GHSA-VMWQ-8G8C-JM79 OpenChatBI has a Path Traversal Vulnerability in save_report Tool

Impact The savereport tool in openchatbi/tool/savereport.py suffers from a critical path traversal vulnerability due to insufficient input sanitization of the fileformat parameter. The function only removes leading dots of fileformat using fileformat.lstrip"." but allows path traversal sequences...