CVE-2021-44906
Critical
Prototype Pollution in minimist
Minimist prior to 1.2.6 and 0.2.4 is vulnerable to Prototype Pollution via file `index.js`, function `setKey()` (lines 69-95).
Exploit probability
4.6%
Published
March 18, 2022
Required by
Not available
Last source change
March 13, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2021-44906
View original source
Minimist <=1.2.5 is vulnerable to Prototype Pollution via file index.js, function setKey() (lines 69-95).
Open Source Vulnerabilities
GHSA-xvch-5gv4-984h
View original source
Minimist prior to 1.2.6 and 0.2.4 is vulnerable to Prototype Pollution via file `index.js`, function `setKey()` (lines 69-95).
05 / REFERENCES
Further evidence
- https://github.com/Marynk/JavaScript-vulnerability-detection/blob/main/minimist%20PoC.zip
- https://github.com/substack/minimist/blob/master/index.js#L69
- https://github.com/substack/minimist/issues/164
- https://security.netapp.com/advisory/ntap-20240621-0006/
- https://snyk.io/vuln/SNYK-JS-MINIMIST-559764
- https://stackoverflow.com/questions/8588563/adding-custom-properties-to-a-function/20278068#20278068
- https://github.com/minimistjs/minimist/commit/34e20b8461118608703d6485326abbb8e35e1703
- https://github.com/minimistjs/minimist/commit/bc8ecee43875261f4f17eb20b1243d3ed15e70eb
- https://github.com/minimistjs/minimist/commit/c2b981977fa834b223b408cfb860f933c9811e4d
- https://github.com/minimistjs/minimist/commit/ef9153fc52b6cea0744b2239921c5dcae4697f11
- https://github.com/minimistjs/minimist/commits/v0.2.4
- https://github.com/minimistjs/minimist/issues/11
- https://github.com/minimistjs/minimist/pull/24
- https://github.com/substack/minimist
- https://nvd.nist.gov/vuln/detail/CVE-2021-44906
- https://security.netapp.com/advisory/ntap-20240621-0006