High
node-yarnpkg — security advisory
An untrusted search path vulnerability was found in Yarn. When a victim runs certain Yarn commands in a directory with attacker-controlled content, malicious commands could be executed in unexpected ways.
- Products
- node-yarnpkg
- Affected versions
- 1.13.0-1build1, 1.13.0-3, 1.19.1-1, 1.22.10+~cs22.25.14-3, 1.22.10+~cs22.25.14-4, 1.22.10+~cs22.25.14-5, 1.22.10+~cs22.25.14-8, 1.22.19+~cs24.27.18-2, 1.22.19+~cs24.27.18-4, 1.22.4-2, 4.0.2+dfsg-3, 4.1.0+dfsg-1, 4.1.0+dfsg-6ubuntu2, 4.1.0+dfsg-7ubuntu1
- Fixed versions
- Not specified
- CVEs
- CVE-2021-4435
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:35 UTC · Revision 1
Source evidence
An untrusted search path vulnerability was found in Yarn. When a victim runs certain Yarn commands in a directory with attacker-controlled content, malicious commands could be executed in unexpected ways.
osv:UBUNTU-CVE-2021-4435
node-yarnpkg
Fixed versions: Not specified
node-yarnpkg
Fixed versions: Not specified
node-yarnpkg
Fixed versions: Not specified
node-yarnpkg
Fixed versions: Not specified
node-yarnpkg
Fixed versions: Not specified
node-yarnpkg
Fixed versions: Not specified
Complete source record
{
"id": "60588f3173c1d9bd37c8ddef452e88b07cf945345d97973aa51dc42470354a94",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2021-4435",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2021-4435",
"summary": "An untrusted search path vulnerability was found in Yarn. When a victim runs certain Yarn commands in a directory with attacker-controlled content, malicious commands could be executed in unexpected ways.",
"evidence": "osv:UBUNTU-CVE-2021-4435",
"products": [
{
"name": {
"value": "node-yarnpkg",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.13.0-1build1",
"evidence": "/affected/0/versions"
},
{
"value": "1.13.0-3",
"evidence": "/affected/0/versions"
},
{
"value": "1.19.1-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.22.4-2",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "node-yarnpkg",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.22.10+~cs22.25.14-3",
"evidence": "/affected/1/versions"
},
{
"value": "1.22.10+~cs22.25.14-4",
"evidence": "/affected/1/versions"
},
{
"value": "1.22.10+~cs22.25.14-5",
"evidence": "/affected/1/versions"
},
{
"value": "1.22.10+~cs22.25.14-8",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "node-yarnpkg",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.22.19+~cs24.27.18-2",
"evidence": "/affected/2/versions"
},
{
"value": "1.22.19+~cs24.27.18-4",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "node-yarnpkg",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.0.2+dfsg-3",
"evidence": "/affected/3/versions"
},
{
"value": "4.1.0+dfsg-1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "node-yarnpkg",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.1.0+dfsg-1",
"evidence": "/affected/4/versions"
},
{
"value": "4.1.0+dfsg-6ubuntu2",
"evidence": "/affected/4/versions"
},
{
"value": "4.1.0+dfsg-7ubuntu1",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "node-yarnpkg",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.1.0+dfsg-1",
"evidence": "/affected/5/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2021-4435",
"aliases": [
"UBUNTU-CVE-2021-4435"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "node-yarnpkg",
"purl": "pkg:deb/ubuntu/node-yarnpkg?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"1.13.0-1build1",
"1.13.0-3",
"1.19.1-1",
"1.22.4-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-4435.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "yarnpkg",
"binary_version": "1.22.4-2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "node-yarnpkg",
"purl": "pkg:deb/ubuntu/node-yarnpkg?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"1.22.10+~cs22.25.14-3",
"1.22.10+~cs22.25.14-4",
"1.22.10+~cs22.25.14-5",
"1.22.10+~cs22.25.14-8"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-4435.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "yarnpkg",
"binary_version": "1.22.10+~cs22.25.14-8"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "node-yarnpkg",
"purl": "pkg:deb/ubuntu/node-yarnpkg?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"1.22.19+~cs24.27.18-2",
"1.22.19+~cs24.27.18-4"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-4435.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "yarnpkg",
"binary_version": "1.22.19+~cs24.27.18-4"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "node-yarnpkg",
"purl": "pkg:deb/ubuntu/node-yarnpkg?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"4.0.2+dfsg-3",
"4.1.0+dfsg-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-4435.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "yarnpkg",
"binary_version": "4.1.0+dfsg-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "node-yarnpkg",
"purl": "pkg:deb/ubuntu/node-yarnpkg?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"4.1.0+dfsg-1",
"4.1.0+dfsg-6ubuntu2",
"4.1.0+dfsg-7ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-4435.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "yarnpkg",
"binary_version": "4.1.0+dfsg-7ubuntu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "node-yarnpkg",
"purl": "pkg:deb/ubuntu/node-yarnpkg?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"4.1.0+dfsg-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-4435.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "yarnpkg",
"binary_version": "4.1.0+dfsg-1"
}
]
}
}
],
"modified": "2026-10-17T12:55:47.478146293Z",
"provider": "osv",
"upstream": [
"CVE-2021-4435"
],
"references": [
"https://ubuntu.com/security/CVE-2021-4435",
"https://bugzilla.redhat.com/show_bug.cgi?id=2262284",
"https://access.redhat.com/security/cve/CVE-2021-4435",
"https://github.com/yarnpkg/yarn/commit/67fcce88935e45092ffa2674c08053f1ef5268a1",
"https://github.com/yarnpkg/yarn/releases/tag/v1.22.13",
"https://www.cve.org/CVERecord?id=CVE-2021-4435"
]
},
"related_cves": [
{
"value": "CVE-2021-4435",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/1/score"
},
"source_id": "core-osv",
"document_id": 354087,
"published_at": "2024-02-04T20:15:00+00:00"
}