LibreNMS is a community-based GPL-licensed network monitoring system. The alert rule name in the Alerts > Alert Rules page is not properly sanitized, and can be used to inject HTML code. This vulnerability is fixed in 25.10.0.
Fix
Patch, vendor advisory and mitigation references on NVD 3
- https://github.com/librenms/librenms/commit/dccdf6769976a974d70f06a7ce8d5a846b29db6f Patch
- https://github.com/librenms/librenms/security/advisories/GHSA-6g2v-66ch-6xmh Exploit, Vendor Advisory
- https://github.com/librenms/librenms/security/advisories/GHSA-6g2v-66ch-6xmh Exploit, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 4.8 · librenmsNVD modified 2026-10-19 17:10
Affected (CPE criteria) 1
cpe:2.3:a:librenms:librenms:*:*:*:*:*:*:*:*