{"id":"CVE-2021-44906","aliases":["GHSA-xvch-5gv4-984h"],"url":"https://o3.security/vulnerability/CVE-2021-44906","summary":"Prototype Pollution in minimist","details":"Minimist prior to 1.2.6 and 0.2.4 is vulnerable to Prototype Pollution via file `index.js`, function `setKey()` (lines 69-95).","published":"2022-03-17T16:15:07.510Z","modified":"2026-04-16T04:31:28.502990569Z","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":{"score":0.04581,"percentile":0.90936,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":4,"affectedPackages":[{"ecosystem":"npm","name":"minimist","fixedVersion":"1.2.6"},{"ecosystem":"npm","name":"minimist","fixedVersion":"0.2.4"}],"fix":{"url":"https://github.com/minimistjs/minimist/pull/24","label":"minimistjs/minimist#24"},"references":[{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20240621-0006/"},{"type":"REPORT","url":"https://stackoverflow.com/questions/8588563/adding-custom-properties-to-a-function/20278068#20278068"},{"type":"FIX","url":"https://github.com/substack/minimist/issues/164"},{"type":"FIX","url":"https://snyk.io/vuln/SNYK-JS-MINIMIST-559764"},{"type":"EVIDENCE","url":"https://github.com/Marynk/JavaScript-vulnerability-detection/blob/main/minimist%20PoC.zip"},{"type":"EVIDENCE","url":"https://github.com/substack/minimist/blob/master/index.js#L69"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44906"},{"type":"WEB","url":"https://github.com/minimistjs/minimist/issues/11"},{"type":"WEB","url":"https://github.com/minimistjs/minimist/pull/24"},{"type":"WEB","url":"https://github.com/minimistjs/minimist/commit/34e20b8461118608703d6485326abbb8e35e1703"},{"type":"WEB","url":"https://github.com/minimistjs/minimist/commit/bc8ecee43875261f4f17eb20b1243d3ed15e70eb"},{"type":"WEB","url":"https://github.com/minimistjs/minimist/commit/c2b981977fa834b223b408cfb860f933c9811e4d"},{"type":"WEB","url":"https://github.com/minimistjs/minimist/commit/ef9153fc52b6cea0744b2239921c5dcae4697f11"},{"type":"WEB","url":"https://github.com/minimistjs/minimist/commits/v0.2.4"},{"type":"PACKAGE","url":"https://github.com/substack/minimist"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20240621-0006"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-16T04:31:28.502990569Z"}}