GHSA-CCC3-FVFX-MW3V MobSF Path Traversal in GET /download/<filename> using absolute filenames

Summary The GET /download/ route uses string path verification via os.path.commonprefix, which allows an authenticated user to download files outside the DWDDIR download directory from "neighboring" directories whose absolute paths begin with the same prefix as DWDDIR e.g., .../downloadsbak,...