CVE-2026-34099: Guardian Language-System

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Guardian language-system passes the id GET parameter directly into an unsanitized SQL query in job_info.php (line 16): SELECT * FROM jobs where id = '\".$_GET['id'].\"'. No authentication is required. An unauthenticated attacker can perform error-based SQL injection to extract the database version, current user, schema names, and table contents.

Affected products

• Guardian Language-System

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