CVE-2026-34106: Guardian Language-System

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

Guardian language-system passes the id GET parameter directly into a PHP exec() call in subtitles.php (line 19) without sanitization: exec(\"php jobs/subtitle_rendering.php \".$login_session.\" \".$_GET['id'].\" ...\"). No authentication is required. An unauthenticated remote attacker can append shell metacharacters to the id parameter to execute arbitrary OS commands on the server.

Affected products

• Guardian Language-System

Published 2026-07-01. Last modified 2026-07-14.