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 arbitrary JavaScript through SNMP responses that executes in the browser of any user viewing VRF-related pages.
Metrics
Affected Vendors & Products
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 01 Sep 2026 11:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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 arbitrary JavaScript through SNMP responses that executes in the browser of any user viewing VRF-related pages. | |
| Title | LibreNMS before 26.5.0 Stored XSS via SNMP VRF fields | |
| First Time appeared |
Librenms
Librenms librenms |
|
| Weaknesses | CWE-79 | |
| CPEs | cpe:2.3:a:librenms:librenms:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Librenms
Librenms librenms |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
Sign in to view the affected projects.
Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-09-01T14:56:16.717Z
Reserved: 2026-09-01T10:51:59.729Z
Link: CVE-2026-84191
No data.
Status : Received
Published: 2026-09-01T12:17:48.587
Modified: 2026-09-01T15:17:43.487
Link: CVE-2026-84191
No data.
OpenCVE Enrichment
Updated: 2026-09-01T13:15:05Z
Weaknesses