Skip to content
CVE PROGRAM SOURCE RECORD7.1 High

CVE-2026-84192

LibreNMS before 26.3.1 Stored XSS via SNMP/Syslog Data

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
VulnCheck

Description

LibreNMS before 26.3.1 contains a stored cross-site scripting vulnerability in legacy PHP templates that output SNMP-sourced and syslog-sourced data without escaping. An attacker who controls a monitored network device can inject arbitrary JavaScript through SNMP interface descriptions or syslog program fields that executes when authenticated users view affected pages.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

librenms librenms

Default version status: unaffected

  • 0 to < 26.3.1affected
  • 26.3.1unaffected
pkg:composer/librenms/librenms

References