CVE-2026-55173 AVideo incomplete fix for CVE-2026-33482: sanitizeFFmpegCommand still allows a single '&' (background operator), giving OS command execution at the same execAsync sh -c sink

WWBN AVideo is an open source video platform. Versions 29.0 and below remain vulnerable to OS command injection because the fix for CVE-2026-33482 was incomplete and still does not neutralize a single & the shell background operator. CVE-2026-33482 reported that sanitizeFFmpegCommand...

CVE-2026-33482 AVideo has an OS Command Injection via $() Shell Substitution Bypass in sanitizeFFmpegCommand()

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the sanitizeFFmpegCommand function in plugin/API/standAlone/functions.php is designed to prevent OS command injection in ffmpeg commands by stripping dangerous shell metacharacters &&, ;, |, , . However, it fails ...