CVE-2026-84193
NONE—CVSS v3
—CVSS v2
—
EPSS (exploit probability)
CWE-79CWE
Description
LibreNMS through 26.2.0 contains a stored cross-site scripting vulnerability in legacy PHP template pages that render unescaped SNMP-sourced data fields including BGP peer descriptions, VRF names, process information, and SLA tags. Attackers with device management access or network access to enroll a rogue SNMP device can inject malicious JavaScript that executes when admins view affected routing and device pages, enabling credential theft and CSRF token exfiltration.
Affected routers (0)
No routers currently mapped to this CVE in our database.