{"id":"CVE-2022-37266","aliases":["GHSA-vwhq-pm3r-fjm9"],"url":"https://o3.security/vulnerability/CVE-2022-37266","summary":"steal vulnerable to Prototype Pollution via key variable in babel.js","details":"Prototype pollution vulnerability in function extend in babel.js in stealjs steal 2.2.4 via the key variable in babel.js.","published":"2022-09-15T12:27:41Z","modified":"2026-09-21T11:45:06.346609828Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"steal","fixedVersion":null}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/babel.js#L29165"},{"type":"WEB","url":"https://github.com/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/babel.js#L29169"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/37xxx/CVE-2022-37266.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-37266"},{"type":"REPORT","url":"https://github.com/stealjs/steal/issues/1535"},{"type":"PACKAGE","url":"https://github.com/stealjs/steal"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-21T11:45:06.346609828Z"}}