CVE-2026-34099 Guardian Language-System Unauthenticated SQL Injection via id Parameter in job_info.php
Unauthenticated attackers can extract database contents via SQL injection in the id parameter of job_info.php.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-34099?
CVE-2026-34099 is a critical SQL injection vulnerability in guardian language-system, published on 1 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-89
Which versions are affected by CVE-2026-34099?
How do I fix CVE-2026-34099?
No fix has been published for CVE-2026-34099 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-2026-34099 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-34099 exists.
Sources
Also known as GHSA-gpmw-jvm3-5xc2.