CVE-2026-109355

MEDIUM 6.1

LibreNMS before 26.9.0 Stored XSS via Tools Oxidized Node List

CVSS Score

6.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79
Vendor	librenms
Product	librenms
Published	Oct 12, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

librenms / librenms

0 < 26.9.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/librenms/librenms/security/advisories/GHSA-cjqw-76mh-jmpv vulncheck.com: https://www.vulncheck.com/advisories/librenms-before-26.9.0-stored-xss-via-tools-oxidized-node-list