{"id":"CVE-2026-84192","revision":"000875fceca44ff59a917f08c34453ae","records":[{"revision":"000875fceca44ff59a917f08c34453ae","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-84192","aliases":[],"title":"LibreNMS before 26.3.1 Stored XSS via SNMP/Syslog Data","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.","state":0,"publishedAt":"2026-09-01T11:33:56.451+00:00","modifiedAt":"2026-10-08T15:25:44.034+00:00","affected":[{"ecosystem":"Vendor product","name":"librenms","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"librenms\",\n                    \"product\": \"librenms\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"26.3.1\"\n                        },\n                        {\n                            \"version\": \"26.3.1\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:composer/librenms/librenms\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","score":7.1,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N","score":7.1,"severity":"HIGH"}],"references":["https://github.com/librenms/librenms/security/advisories/GHSA-7w8c-qgxg-m7jx","https://www.vulncheck.com/advisories/librenms-before-26.3.1-stored-xss-via-snmp-syslog-data"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-84192","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-84192","identifiers":["CVE-2026-84192"]},"retained":false,"historicalAffected":[]}],"coverage":[]}