High
Security advisory
Deno <=1.14.0 file sandbox does not handle symbolic links correctly. When running Deno with specific write access, the Deno.symlink method can be used to gain access to any directory.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-41641
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:49 UTC · Revision 1
Source evidence
Deno <=1.14.0 file sandbox does not handle symbolic links correctly. When running Deno with specific write access, the Deno.symlink method can be used to gain access to any directory.
osv:CVE-2021-41641
Complete source record
{
"id": "a8b46639c6f59b84da947ddfa26231919b6d8744a0fbaaabe4d1d06c6e95fd80",
"url": "https://osv.dev/vulnerability/CVE-2021-41641",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-41641",
"summary": "Deno <=1.14.0 file sandbox does not handle symbolic links correctly. When running Deno with specific write access, the Deno.symlink method can be used to gain access to any directory.",
"evidence": "osv:CVE-2021-41641",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-41641",
"aliases": [
"CVE-2021-41641",
"GHSA-67hm-27mx-9cg7"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/denoland/deno",
"type": "GIT",
"events": [
{
"introduced": "1567c1013cc8ff12cf039137792da66a1d0015b5"
},
{
"last_affected": "f92cc66f0dbf8e9753f2e98d4469190f3b561eb0"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:deno:deno:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.10.3"
},
{
"last_affected": "1.14.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41641.json"
}
}
],
"modified": "2026-10-24T10:50:25.754529755Z",
"provider": "osv",
"references": [
"https://github.com/denoland/deno/issues/12152",
"https://hackers.report/report/614876917a7b150012836bb8"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:deno:deno:*:*:*:*:*:*:*:*"
],
"vendor_product": "deno:deno",
"extracted_events": [
{
"range": [
{
"introduced": "1.10.3"
},
{
"last_affected": "1.14.0"
}
],
"source": "CPE_RANGE"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2021-41641",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 442159,
"published_at": "2022-06-12T13:15:07.747+00:00"
}