CVE-2026-40456: Lms

High severity, CVSS 8.6. EPSS: 2.8% chance of exploitation in the next 30 days.

An OS Command Injection vulnerability exists in LMS (LAN Management System) before commit 9fcb4de due to an IP address parameter being passed to the "exec()" function without proper validation, allowing attackers to execute arbitrary operating system commands.

Affected products

• Lms Lms

Published 2026-06-18. Last modified 2026-06-22.