CVE-2026-40455 SQL Injection in LMS
Authenticated attackers can exploit SQL injection in LMS to extract sensitive database information via the tarifflist.php module.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-40455?
CVE-2026-40455 is a high-severity SQL injection vulnerability in LMS, published on 18 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An SQL Injection vulnerability exists in LMS (LAN Management System) before commit 4cb30a7 within the "tarifflist.php" module due to insufficient sanitization of the POST "tg[]" parameter. The application directly concatenates user-supplied array values into an SQL query using "implode()", allowing authenticated attackers to perform Error-Based SQL injection and extract sensitive database information.
Weakness: CWE-89
Which versions are affected by CVE-2026-40455?
How do I fix CVE-2026-40455?
No fix has been published for CVE-2026-40455 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-2026-40455 being exploited?
There is no known exploitation of CVE-2026-40455 in the wild and no public exploit code.
Sources
Also known as GHSA-qrw9-xj5g-qxw8.