Critical
Security advisory
This affects all versions of package @cookiex/deep. The global proto object can be polluted using the __proto__ object.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-23442
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:15 UTC · Revision 1
Source evidence
This affects all versions of package @cookiex/deep. The global proto object can be polluted using the __proto__ object.
osv:CVE-2021-23442
Complete source record
{
"id": "28862993bf1992a4b770137d0525d43187e7c63573428da554ea60e2c55c218b",
"url": "https://osv.dev/vulnerability/CVE-2021-23442",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-23442",
"summary": "This affects all versions of package @cookiex/deep. The global proto object can be polluted using the __proto__ object.",
"evidence": "osv:CVE-2021-23442",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2021-23442",
"aliases": [
"CVE-2021-23442",
"GHSA-92v9-xh2q-fq9f",
"SNYK-JS-COOKIEXDEEP-1582793"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/tony-tsx/cookiex-deep",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "b5bea2b7f34a5fa9abb4446cbd038ecdbcd09c88"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"fixed": "b5bea2b7f34a5fa9abb4446cbd038ecdbcd09c88"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23442.json"
}
}
],
"modified": "2026-10-20T10:53:37.858316186Z",
"provider": "osv",
"references": [
"https://github.com/tony-tsx/cookiex-deep/commit/b5bea2b7f34a5fa9abb4446cbd038ecdbcd09c88",
"https://github.com/tony-tsx/cookiex-deep/issues/1",
"https://snyk.io/vuln/SNYK-JS-COOKIEXDEEP-1582793"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:cookiex-deep_project:cookiex-deep:*:*:*:*:*:node.js:*:*"
],
"vendor_product": "cookiex-deep_project:cookiex-deep",
"extracted_events": [
{
"range": [
{
"fixed": "0.0.6"
}
],
"source": "CPE_RANGE"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2021-23442",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 384448,
"published_at": "2021-09-17T10:15:07.437+00:00"
}