{"action":"Upgrade librenms/librenms to 26.2.0 or later.","affected":[{"fixed":"26.2.0","introduced":"0"}],"component":"librenms/librenms","cve_ids":["CVE-2026-26989"],"ecosystem":"Packagist","epss":0.00275,"exploited":false,"fixed_versions":["26.2.0"],"ghsa_id":"GHSA-6xmx-xr9p-58p7","id":"tcs_01M5KEXGZ856NWDQD24TVVMQJP","modified_at":"2026-02-20T17:11:19.964118Z","published_at":"2026-02-18T22:30:32Z","references":["https://osv.dev/vulnerability/GHSA-6xmx-xr9p-58p7","https://github.com/librenms/librenms/security/advisories/GHSA-6xmx-xr9p-58p7","https://nvd.nist.gov/vuln/detail/CVE-2026-26989","https://github.com/librenms/librenms/pull/19039","https://github.com/librenms/librenms/commit/087608cf9f851189847cb8e8e5ad002e59170c58","https://github.com/librenms/librenms","https://github.com/librenms/librenms/releases/tag/26.2.0"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"GHSA-6xmx-xr9p-58p7","url":"https://osv.dev/vulnerability/GHSA-6xmx-xr9p-58p7"}],"summary":"LibreNMS has a Stored XSS in Alert Rule"}