CVE-2026-26989 | LibreNMS up to 26.1.x Alert Rules Page cross site scripting (GHSA-6xmx-xr9p-58p7)

February 20, 2026 Yanac

A vulnerability was found in LibreNMS up to 26.1.x. It has been classified as problematic. This issue affects some unknown processing of the component Alert Rules Page. This manipulation causes cross site scripting.

This vulnerability is registered as CVE-2026-26989. Remote exploitation of the attack is possible. No exploit is available.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More