VULNERABILITY INTELLIGENCE
CVE-2026-84192
CVSS score7.1 HIGH
EPSS probability0.33%
CISA KEVNot currently listed
Published2026-09-01
Last modified2026-10-08
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
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.
Weakness classification
- disclosure@vulncheck.com: CWE-79