{"action":"Upgrade librenms/librenms to 26.2.0 or later.","affected":[{"fixed":"26.2.0","introduced":"24.10.0"}],"component":"librenms/librenms","cve_ids":["CVE-2026-27016"],"ecosystem":"Packagist","epss":0.00263,"exploited":false,"fixed_versions":["26.2.0"],"ghsa_id":"GHSA-fqx6-693c-f55g","id":"tcs_01M5KF20K7NV7A1K6PWFECSK3B","modified_at":"2026-02-20T17:02:57.110577Z","published_at":"2026-02-18T22:08:15Z","references":["https://osv.dev/vulnerability/GHSA-fqx6-693c-f55g","https://github.com/librenms/librenms/security/advisories/GHSA-fqx6-693c-f55g","https://nvd.nist.gov/vuln/detail/CVE-2026-27016","https://github.com/librenms/librenms/pull/19040","https://github.com/librenms/librenms/commit/3bea263e02441690c01dea7fa3fe6ffec94af335","https://github.com/librenms/librenms","https://github.com/librenms/librenms/releases/tag/26.2.0"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-fqx6-693c-f55g","url":"https://osv.dev/vulnerability/GHSA-fqx6-693c-f55g"}],"summary":"LibreNMS has a Stored XSS in Custom OID - unit parameter missing strip_tags()"}