Critical
node-minimist — security advisory
Minimist <=1.2.5 is vulnerable to Prototype Pollution via file index.js, function setKey() (lines 69-95).
- Products
- node-minimist
- Affected versions
- 1.1.3-1, 1.2.0-1, 1.2.5+~cs5.3.1-2, 1.2.5+~cs5.3.2-1, 1.2.5-1, 1.2.7+~cs5.3.2-2, 1.2.8+~cs5.3.5-1, 1.2.8+~cs5.3.5-4
- Fixed versions
- Not specified
- CVEs
- CVE-2021-44906
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:35 UTC · Revision 1
Source evidence
Minimist <=1.2.5 is vulnerable to Prototype Pollution via file index.js, function setKey() (lines 69-95).
osv:UBUNTU-CVE-2021-44906
node-minimist
Fixed versions: Not specified
node-minimist
Fixed versions: Not specified
node-minimist
Fixed versions: Not specified
node-minimist
Fixed versions: Not specified
node-minimist
Fixed versions: Not specified
node-minimist
Fixed versions: Not specified
node-minimist
Fixed versions: Not specified
node-minimist
Fixed versions: Not specified
Complete source record
{
"id": "3f8488058e71280d2c9ffda54119f2e32c2e47dcfb80f039a516523a9e16b133",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2021-44906",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2021-44906",
"summary": "Minimist <=1.2.5 is vulnerable to Prototype Pollution via file index.js, function setKey() (lines 69-95).",
"evidence": "osv:UBUNTU-CVE-2021-44906",
"products": [
{
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"evidence": "/affected/0/versions"
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{
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{
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"evidence": "/affected/3/versions"
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{
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{
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{
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{
"name": {
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},
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"affected_versions": [
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"evidence": "/affected/6/versions"
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"evidence": "/affected/6/versions"
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},
{
"name": {
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"prerequisites": [],
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"affected_versions": [
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],
"severity": "critical",
"structured": {
"id": "UBUNTU-CVE-2021-44906",
"aliases": [
"UBUNTU-CVE-2021-44906"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
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"affected": [
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"events": [
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"package": {
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"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
"1.1.3-1",
"1.2.0-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-44906.json"
},
"ecosystem_specific": {
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{
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"binary_version": "1.2.0-1"
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{
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"package": {
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"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
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"database_specific": {
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}
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{
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"package": {
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"purl": "pkg:deb/ubuntu/node-minimist?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"1.2.0-1",
"1.2.5-1"
],
"database_specific": {
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},
"ecosystem_specific": {
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{
"binary_name": "node-minimist",
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},
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"package": {
"name": "node-minimist",
"purl": "pkg:deb/ubuntu/node-minimist?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"1.2.5+~cs5.3.1-2",
"1.2.5+~cs5.3.2-1"
],
"database_specific": {
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"package": {
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"purl": "pkg:deb/ubuntu/node-minimist?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
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"1.2.8+~cs5.3.5-1"
],
"database_specific": {
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{
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"ecosystem": "Ubuntu:25.10"
},
"versions": [
"1.2.8+~cs5.3.5-1"
],
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},
"ecosystem_specific": {
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}
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},
{
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],
"package": {
"name": "node-minimist",
"purl": "pkg:deb/ubuntu/node-minimist?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"1.2.8+~cs5.3.5-1",
"1.2.8+~cs5.3.5-4"
],
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},
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},
{
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"package": {
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"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"1.2.8+~cs5.3.5-1"
],
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},
"ecosystem_specific": {
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{
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}
]
}
}
],
"modified": "2026-10-17T12:55:47.505032314Z",
"provider": "osv",
"upstream": [
"CVE-2021-44906"
],
"references": [
"https://ubuntu.com/security/CVE-2021-44906",
"https://github.com/substack/minimist/issues/164",
"https://snyk.io/vuln/SNYK-JS-MINIMIST-559764",
"https://github.com/Marynk/JavaScript-vulnerability-detection/blob/main/minimist%20PoC.zip",
"https://stackoverflow.com/questions/8588563/adding-custom-properties-to-a-function/20278068#20278068",
"https://github.com/minimistjs/minimist/blob/master/index.js#L69",
"https://github.com/minimistjs/minimist/issues/11",
"https://www.cve.org/CVERecord?id=CVE-2021-44906"
]
},
"related_cves": [
{
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"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 354091,
"published_at": "2022-03-17T16:15:00+00:00"
}