{"action":"Upgrade form-data to 2.5.6 or later.","affected":[{"fixed":"2.5.6","introduced":"0"},{"fixed":"3.0.5","introduced":"3.0.0"},{"fixed":"4.0.6","introduced":"4.0.0"}],"component":"form-data","cve_ids":["CVE-2026-12143"],"ecosystem":"npm","epss":0.00669,"exploited":false,"fixed_versions":["2.5.6","3.0.5","4.0.6"],"ghsa_id":"GHSA-hmw2-7cc7-3qxx","id":"tcs_01M5KFVK0174WWMRMN8WWVNBN5","modified_at":"2026-09-10T03:50:49.785679067Z","published_at":"2026-06-15T17:26:26Z","references":["https://osv.dev/vulnerability/GHSA-hmw2-7cc7-3qxx","https://github.com/form-data/form-data/security/advisories/GHSA-hmw2-7cc7-3qxx","https://nvd.nist.gov/vuln/detail/CVE-2026-12143","https://github.com/form-data/form-data/commit/64190db548c0179e37206858e39f27cf513e9435","https://github.com/form-data/form-data/commit/be3f3cf553978bac15a5182f1f3c3d2d38ccf229","https://github.com/form-data/form-data/commit/c7133499c2ee1b80c678e411244f4442bf902045","https://github.com/form-data/form-data","https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#multipart-form-data","https://www.npmjs.com/package/form-data"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-hmw2-7cc7-3qxx","url":"https://osv.dev/vulnerability/GHSA-hmw2-7cc7-3qxx"}],"summary":"form-data: CRLF injection in form-data via unescaped multipart field names and filenames"}