CVE-2021-44278: Librenms

Critical severity, CVSS 9.8. EPSS: 1.5% chance of exploitation in the next 30 days.

Librenms 21.11.0 is affected by a path manipulation vulnerability in includes/html/pages/device/showconfig.inc.php.

Affected products

• Librenms Librenms: version 21.11.0 only

Published 2021-12-03. Last modified 2026-06-17.