CVE-2026-34100 Guardian Language-System SQL Injection via id Parameter in media.php
An authenticated attacker can exploit SQL injection in the media.php id parameter to extract sensitive database contents from the Guardian language-system.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-34100?
CVE-2026-34100 is a high-severity SQL injection vulnerability in guardian language-system, published on 1 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Guardian language-system passes the id GET parameter directly into an unsanitized SQL query in media.php (line 17): SELECT id, filename, extension, type, duration, owner, private FROM files where id = '\".$_GET['id'].\"'. An authenticated attacker can perform error-based SQL injection to extract database contents.
Weakness: CWE-89
Which versions are affected by CVE-2026-34100?
How do I fix CVE-2026-34100?
No fix has been published for CVE-2026-34100 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-34100 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-34100 exists.
Sources
Also known as GHSA-cfq6-4647-8w5h.