HighFix available
node-yarnpkg — security advisory
Arbitrary filesystem write vulnerability in Yarn before 1.22.0 allows attackers to write to any path on the filesystem and potentially lead to arbitrary code execution by forcing the user to install a malicious package.
- Products
- node-yarnpkg
- Affected versions
- Not specified
- Fixed versions
- 1.22.4-2
- CVEs
- CVE-2020-8131
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 13:37 UTC · Revision 1
Source evidence
Arbitrary filesystem write vulnerability in Yarn before 1.22.0 allows attackers to write to any path on the filesystem and potentially lead to arbitrary code execution by forcing the user to install a malicious package.
osv:DEBIAN-CVE-2020-8131
node-yarnpkg
Fixed versions: 1.22.4-2
node-yarnpkg
Fixed versions: 1.22.4-2
node-yarnpkg
Fixed versions: 1.22.4-2
Complete source record
{
"id": "700a3aac0adddbd2b0b7ff5305518de2c7f855deffdce8119581e80dc143f9e5",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2020-8131",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2020-8131",
"summary": "Arbitrary filesystem write vulnerability in Yarn before 1.22.0 allows attackers to write to any path on the filesystem and potentially lead to arbitrary code execution by forcing the user to install a malicious package.",
"evidence": "osv:DEBIAN-CVE-2020-8131",
"products": [
{
"name": {
"value": "node-yarnpkg",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.22.4-2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "node-yarnpkg",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.22.4-2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "node-yarnpkg",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.22.4-2",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2020-8131",
"aliases": [
"DEBIAN-CVE-2020-8131"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.22.4-2"
}
]
}
],
"package": {
"name": "node-yarnpkg",
"purl": "pkg:deb/debian/node-yarnpkg?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-8131.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.22.4-2"
}
]
}
],
"package": {
"name": "node-yarnpkg",
"purl": "pkg:deb/debian/node-yarnpkg?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-8131.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.22.4-2"
}
]
}
],
"package": {
"name": "node-yarnpkg",
"purl": "pkg:deb/debian/node-yarnpkg?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-8131.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T12:02:33.685867742Z",
"provider": "osv",
"upstream": [
"CVE-2020-8131"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2020-8131"
]
},
"related_cves": [
{
"value": "CVE-2020-8131",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 452623,
"published_at": "2020-02-24T15:15:12.02+00:00"
}