SQL Injection in Guardian Language-System
CVE-2026-34099
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.
Vulnerability class: SQL Injection
EPSS: 0.005 (37.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Guardian Language-system — versions 0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (technical-description, exploit)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-34099?
- CVE-2026-34099 is a critical-severity vulnerability in Guardian Language-System, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-07-01.
- How severe is CVE-2026-34099?
- Critical severity. CVSS v3 base score is 9.8 out of 10.