CVE-2026-109355CWE-79cross-site-scripting

CVE-2026-109355

Medium · published October 12, 2026

CVSS v3.1
6.1
EPSS
0%
Percentile
8.0
In the wild
Unconfirmed
What it is

LibreNMS before 26.9.0 contains a stored cross-site scripting vulnerability in get_oxidized_nodes_list() that renders Oxidized API fields and SNMP sysName unescaped. Attackers controlling the Oxidized response or a device's SNMP sysName can inject script that executes in browsers of users viewing the Tools Oxidized page.

The record
Technical detail
CVSS v3.1
6.1 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
5.3 · 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
EPSS
0.00188 · 8.0th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-10-12T21:17Z
References (2)
https://github.com/librenms/librenms/security/advisories/GHSA-cjqw-76mh-jmpv · [email protected]https://www.vulncheck.com/advisories/librenms-before-26.9.0-stored-xss-via-tools-oxidized-node-list · [email protected]
EPSS history
Timeline
  • 14 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 12 OCT 16:05Z
    LibreNMS before 26.9.0 Stored XSS via Tools Oxidized Node List
    cvelistv5
  • 12 OCT 16:05Z
    LibreNMS before 26.9.0 Stored XSS via Tools Oxidized Node List
    cvelistv5