Medium
Insufficient permission checking in `Deno.makeTemp*` APIs
Type: advisorySources: OSV
Deno is a JavaScript, TypeScript, and WebAssembly runtime with secure defaults. Insufficient validation of parameters in `Deno.makeTemp*` APIs would allow for creation of files outside of the allowed directories. This may allow the user to overwrite important files on the system that may affect other systems. A user may provide a prefix or suffix to a `Deno.makeTemp*` API containing path traversal characters. This is fixed in Deno 1.41.1.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2024-27931
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 18:11 UTC · Revision 1
Source evidence
Insufficient permission checking in `Deno.makeTemp*` APIs
core-osv · Original sourcePublished 5 Mar 2024, 16:43 UTC
Deno is a JavaScript, TypeScript, and WebAssembly runtime with secure defaults. Insufficient validation of parameters in `Deno.makeTemp*` APIs would allow for creation of files outside of the allowed directories. This may allow the user to overwrite important files on the system that may affect other systems. A user may provide a prefix or suffix to a `Deno.makeTemp*` API containing path traversal characters. This is fixed in Deno 1.41.1.
osv:CVE-2024-27931
Complete source record
{
"id": "03a20c7c7bda5be124469b4b58a1859e3d3c3fcf203bcf65dd78636cfa29e525",
"url": "https://osv.dev/vulnerability/CVE-2024-27931",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Insufficient permission checking in `Deno.makeTemp*` APIs",
"summary": "Deno is a JavaScript, TypeScript, and WebAssembly runtime with secure defaults. Insufficient validation of parameters in `Deno.makeTemp*` APIs would allow for creation of files outside of the allowed directories. This may allow the user to overwrite important files on the system that may affect other systems. A user may provide a prefix or suffix to a `Deno.makeTemp*` API containing path traversal characters. This is fixed in Deno 1.41.1.",
"evidence": "osv:CVE-2024-27931",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2024-27931",
"aliases": [
"CVE-2024-27931",
"GHSA-hrqr-jv8w-v9jh"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/denoland/deno",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "8ccb9e954548d1a4d3ccbe065c28d6067d3fda03"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "1.41.1"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"cpe": "cpe:2.3:a:deno:deno:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "1.41.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
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"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-27931.json"
}
}
],
"modified": "2026-10-28T02:30:31.263221468Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/27xxx/CVE-2024-27931.json",
"https://github.com/denoland/deno/security/advisories/GHSA-hrqr-jv8w-v9jh",
"https://nvd.nist.gov/vuln/detail/CVE-2024-27931"
],
"provider_metadata": {
"cwe_ids": [
"CWE-20"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/27xxx/CVE-2024-27931.json"
}
},
"related_cves": [
{
"value": "CVE-2024-27931",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 498295,
"published_at": "2024-03-05T16:43:11.934+00:00"
}