High
Security advisory
Prototype pollution vulnerability in dot-prop npm package versions before 4.2.1 and versions 5.x before 5.1.1 allows an attacker to add arbitrary properties to JavaScript language constructs such as objects.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-8116
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:30 UTC · Revision 1
Source evidence
Prototype pollution vulnerability in dot-prop npm package versions before 4.2.1 and versions 5.x before 5.1.1 allows an attacker to add arbitrary properties to JavaScript language constructs such as objects.
osv:CVE-2020-8116
Complete source record
{
"id": "5c39dce7fdcf12fd6895785689be243e2be598d6f5768b9a62ef5ac9127c8e74",
"url": "https://osv.dev/vulnerability/CVE-2020-8116",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-8116",
"summary": "Prototype pollution vulnerability in dot-prop npm package versions before 4.2.1 and versions 5.x before 5.1.1 allows an attacker to add arbitrary properties to JavaScript language constructs such as objects.",
"evidence": "osv:CVE-2020-8116",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2020-8116",
"aliases": [
"CVE-2020-8116",
"GHSA-ff7x-qrg7-qggm"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/sindresorhus/dot-prop",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "c914124f418f55edea27928e89c94d931babe587"
},
{
"introduced": "3de4456a52fa1bb4b6a06c74e8053e4c40ac0f34"
},
{
"fixed": "0efd03e2bffa6da4ebd69a3e5d43d6656b9b518e"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:dot-prop_project:dot-prop:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "4.2.1"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:dot-prop_project:dot-prop:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "5.0.0"
},
{
"fixed": "5.1.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v4.2.0",
"v5.1.0",
"v5.0.1",
"v5.0.0",
"v4.1.1",
"v4.1.0",
"v4.0.0",
"v3.0.0",
"v2.4.0",
"v2.3.0",
"2.2.0",
"2.1.0",
"v2.0.0",
"v1.0.1",
"v1.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8116.json"
}
}
],
"modified": "2026-10-20T10:54:25.103685571Z",
"provider": "osv",
"references": [
"https://github.com/sindresorhus/dot-prop/tree/v4",
"https://github.com/advisories/GHSA-ff7x-qrg7-qggm",
"https://github.com/sindresorhus/dot-prop/issues/63",
"https://hackerone.com/reports/719856"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-8116",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 385327,
"published_at": "2020-02-04T20:15:13.353+00:00"
}