Description
LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring tool. Versions 25.12.0 and below are vulnerable to Reflected XSS attacks via email field. This issue has been fixed in version 26.2.0.
References (4)
Core 4
Core References
Vendor Advisory x_refsource_confirm
https://github.com/librenms/librenms/security/advisories/GHSA-gqx7-99jw-6fpr
Issue Tracking x_refsource_misc
https://github.com/librenms/librenms/pull/19038
Patch x_refsource_misc
https://github.com/librenms/librenms/commit/8e626b38ef92e240532cdac2ac7e38706a71208b
Release Notes x_refsource_misc
https://github.com/librenms/librenms/releases/tag/26.2.0
Scores
CVSS v3
6.1
EPSS
0.0000
EPSS Percentile
0.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (2)
librenms/librenms
< 26.2.0
librenms/librenms
0 - 26.2.0Packagist
Published
Feb 20, 2026
Tracked Since
Feb 20, 2026