What is CVE-2026-34103?

CVE-2026-34103 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-2026-34103?

Critical severity. CVSS v3 base score is 9.8 out of 10.

SQL Injection in Guardian Language-system

CVE-2026-34103

Guardian language-system passes the id GET parameter directly into an unsanitized SQL query in subtitles.php (line 16): SELECT id, filename, extension, type FROM files where id = '\".$_GET['id'].\"'. An authenticated attacker can perform e…

Vulnerability class: SQL Injection

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)

CWE-89 — SQL Injection

References

disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-34103?: CVE-2026-34103 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-2026-34103?: Critical severity. CVSS v3 base score is 9.8 out of 10.