{"id":"CVE-2022-37266","aliases":["EUVD-2022-6952","GHSA-vwhq-pm3r-fjm9"],"status":"published","title":"steal vulnerable to Prototype Pollution via key variable in babel.js","description":"Prototype pollution vulnerability in function extend in babel.js in stealjs steal 2.2.4 via the key variable in babel.js.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01403,"percentile":0.72772,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1321"],"published":"2022-09-15T12:27:41Z","modified":"2026-10-28T02:30:32Z","affected":[{"source":"ghsa","ecosystem":"npm","package":"steal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.3.0"}]}]},{"source":"osv","ecosystem":"npm","package":"steal","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"2.3.0"}]}]}],"products":[{"vendor":"stealjs","product":"steal"}],"references":[{"url":"https://github.com/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/babel.js#L29165","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","web"]},{"url":"https://github.com/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/babel.js#L29169","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","web"]},{"url":"https://github.com/stealjs/steal/issues/1535","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory","report","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-37266","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-vwhq-pm3r-fjm9"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/37xxx/CVE-2022-37266.json","tags":["advisory"]},{"url":"https://github.com/stealjs/steal","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2022-37266","description":"Prototype pollution vulnerability in function extend in babel.js in stealjs steal 2.2.4 via the key variable in babel.js.","status":"published","published":"2022-09-15T12:27:41Z","modified":"2024-08-03T10:29:20.976Z","updated_at":"2026-11-02T14:34:26.977054Z"}],"euvd":[{"id":"EUVD-2022-6952","description":"Prototype pollution vulnerability in function extend in babel.js in stealjs steal 2.2.4 via the key variable in babel.js.","status":"published","published":"2022-09-15T12:27:41Z","modified":"2024-08-03T10:29:20Z","updated_at":"2026-11-03T03:25:23.480504Z"}],"ghsa":[{"id":"GHSA-vwhq-pm3r-fjm9","title":"steal vulnerable to Prototype Pollution via key variable in babel.js","description":"Prototype pollution vulnerability in function extend in babel.js in stealjs steal via the key variable in babel.js.","status":"published","published":"2022-09-16T00:00:39Z","modified":"2023-01-30T05:02:53Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:36:27.500048Z"}],"nvd":[{"id":"CVE-2022-37266","description":"Prototype pollution vulnerability in function extend in babel.js in stealjs steal 2.2.4 via the key variable in babel.js.","status":"published","published":"2022-09-15T13:15:09.697Z","modified":"2026-06-17T04:54:49.717Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:07:27.631109Z"}],"osv":[{"id":"GHSA-vwhq-pm3r-fjm9","title":"steal vulnerable to Prototype Pollution via key variable in babel.js","description":"Prototype pollution vulnerability in function extend in babel.js in stealjs steal via the key variable in babel.js.","status":"published","published":"2022-09-16T00:00:39Z","modified":"2023-11-08T04:10:07.807436Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:46:57.694388Z"},{"id":"CVE-2022-37266","description":"Prototype pollution vulnerability in function extend in babel.js in stealjs steal 2.2.4 via the key variable in babel.js.","status":"published","published":"2022-09-15T12:27:41Z","modified":"2026-10-28T02:30:32.990573638Z","updated_at":"2026-11-02T15:44:26.53798Z"}]}}