CVE-2026-84191

LibreNMS before 26.5.0 contains stored cross-site scripting vulnerabilities in VRF display pages where mplsVpnVrfDescription, vrfname, and mplsVpnVrfRouteDistinguisher fields from SNMP polling are rendered without sanitization. Attackers controlling a monitored network device can inject arbitrary...

EUVD-2026-69028

LibreNMS before 26.5.0 contains stored cross-site scripting vulnerabilities in VRF display pages where mplsVpnVrfDescription, vrfname, and mplsVpnVrfRouteDistinguisher fields from SNMP polling are rendered without sanitization. Attackers controlling a monitored network device can inject arbitrary...

CVE-2026-84191

LibreNMS versions prior to 26.5.0 contain stored cross-site scripting (XSS) vulnerabilities in VRF display pages. The root cause is that SNMP-polled fields—mplsVpnVrfDescription , vrf_name , and mplsVpnVrfRouteDistinguisher —are rendered without sanitization. An attacker controlling a monitored n...

CVE-2026-84191: Improper Neutralization of Input During Web Page Generation

LibreNMS before 26.5.0 contains stored cross-site scripting vulnerabilities in VRF display pages where mplsVpnVrfDescription, vrfname, and mplsVpnVrfRouteDistinguisher fields from SNMP polling are rendered without sanitization. Attackers controlling a monitored network device can inject arbitrary...

PT-2026-84154

LibreNMS before 26.5.0 contains stored cross-site scripting vulnerabilities in VRF display pages where mplsVpnVrfDescription, vrf name, and mplsVpnVrfRouteDistinguisher fields from SNMP polling are rendered without sanitization. Attackers controlling a monitored network device can inject arbitrar...