{"id":"CVE-2026-84189","revision":"2b2a22051c4943d39dd2d656e2cbd433","records":[{"revision":"2b2a22051c4943d39dd2d656e2cbd433","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-84189","aliases":[],"title":"LibreNMS before 26.7.0 Stored XSS via Oxidized API","description":"LibreNMS through 26.4.0 renders JSON fields (name, ip, model, author, commit message) returned by the admin-configurable Oxidized integration URL (oxidized.url) into the device showconfig page without applying htmlspecialchars(). An administrator who points the Oxidized URL at an attacker-controlled server (SSRF) can cause it to return malicious JSON, resulting in stored/persistent cross-site scripting affecting all users who view any device's showconfig tab. Fixed in 26.7.0.","state":0,"publishedAt":"2026-09-01T11:33:54.59+00:00","modifiedAt":"2026-10-08T15:25:42.828+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\": \"26.7.0\"\n                        },\n                        {\n                            \"version\": \"26.7.0\",\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:H/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N","score":9.2,"severity":"CRITICAL"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N","score":8.1,"severity":"HIGH"}],"references":["https://github.com/librenms/librenms/security/advisories/GHSA-7gww-x7fh-jf9j","https://www.vulncheck.com/advisories/librenms-before-26.7.0-stored-xss-via-oxidized-api"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-84189","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-84189","identifiers":["CVE-2026-84189"]},"retained":false,"historicalAffected":[]}],"coverage":[]}