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.
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 26.3.1 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. | |
| Title | LibreNMS before 26.3.1 Stored XSS via SNMP/Syslog Data | |
| 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
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-09-01T11:33:56.451Z
Reserved: 2026-09-01T10:51:59.729Z
Link: CVE-2026-84192
No data.
Status : Received
Published: 2026-09-01T12:17:48.723
Modified: 2026-09-01T12:17:48.723
Link: CVE-2026-84192
No data.
OpenCVE Enrichment
Updated: 2026-09-01T12:45:12Z
Weaknesses