CVEvulnerability
CVE-2026-26987
5.3 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-02-20
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 5.3 MEDIUM — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weaknesses
- CWE-79
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.
Affected configurations
• librenms librenms (< 26.2.0)
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://github.com/librenms/librenms/commit/8e626b38ef92e240532cdac2ac7e38706a71208b Patch
- https://github.com/librenms/librenms/pull/19038 Issue Tracking
- https://github.com/librenms/librenms/releases/tag/26.2.0 Product, Release Notes
- https://github.com/librenms/librenms/security/advisories/GHSA-gqx7-99jw-6fpr Exploit, Third Party Advisory