{"action":"Upgrade october/system to 3.7.16 or later.","affected":[{"fixed":"3.7.16","introduced":"0"},{"introduced":"4.0.0"}],"component":"october/system","cve_ids":["CVE-2026-27937"],"ecosystem":"Packagist","epss":0.0023,"exploited":false,"fixed_versions":["3.7.16"],"ghsa_id":"GHSA-jj38-h5w5-mvpf","id":"tcs_01M5KF4MEYMP5REDC84EBQJYMQ","modified_at":"2026-05-05T16:07:59.629264Z","published_at":"2026-04-21T17:15:21Z","references":["https://osv.dev/vulnerability/GHSA-jj38-h5w5-mvpf","https://github.com/octobercms/october/security/advisories/GHSA-jj38-h5w5-mvpf","https://nvd.nist.gov/vuln/detail/CVE-2026-27937","https://github.com/octobercms/october"],"severity":{"label":"low","score":3.1},"sources":[{"source":"osv","source_id":"GHSA-jj38-h5w5-mvpf","url":"https://osv.dev/vulnerability/GHSA-jj38-h5w5-mvpf"}],"summary":"October CMS: Reflected XSS via DataTable Form Widget"}