Critical
AdonisJS Path Traversal in Multipart File Handling
Type: advisorySources: OSV
AdonisJS is a TypeScript-first web framework. A Path Traversal vulnerability in AdonisJS multipart file handling may allow a remote attacker to write arbitrary files to arbitrary locations on the server filesystem. This impacts @adonisjs/bodyparser through version 10.1.1 and 11.x prerelease versions prior to 11.0.0-next.6. This issue has been patched in @adonisjs/bodyparser versions 10.1.2 and 11.0.0-next.6.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-21440
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 16:00 UTC · Revision 1
Source evidence
AdonisJS Path Traversal in Multipart File Handling
core-osv · Original sourcePublished 2 Jan 2026, 19:02 UTC
AdonisJS is a TypeScript-first web framework. A Path Traversal vulnerability in AdonisJS multipart file handling may allow a remote attacker to write arbitrary files to arbitrary locations on the server filesystem. This impacts @adonisjs/bodyparser through version 10.1.1 and 11.x prerelease versions prior to 11.0.0-next.6. This issue has been patched in @adonisjs/bodyparser versions 10.1.2 and 11.0.0-next.6.
osv:CVE-2026-21440
Complete source record
{
"id": "e586d082c743360f9abdc730595c9bcec4c0c3c2c7e19334fb639d09ded3e142",
"url": "https://osv.dev/vulnerability/CVE-2026-21440",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "AdonisJS Path Traversal in Multipart File Handling",
"summary": "AdonisJS is a TypeScript-first web framework. A Path Traversal vulnerability in AdonisJS multipart file handling may allow a remote attacker to write arbitrary files to arbitrary locations on the server filesystem. This impacts @adonisjs/bodyparser through version 10.1.1 and 11.x prerelease versions prior to 11.0.0-next.6. This issue has been patched in @adonisjs/bodyparser versions 10.1.2 and 11.0.0-next.6.",
"evidence": "osv:CVE-2026-21440",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2026-21440",
"aliases": [
"CVE-2026-21440",
"GHSA-gvq6-hvvp-h34h"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/adonisjs/bodyparser",
"type": "GIT",
"events": [
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},
{
"fixed": "7728685025fc200d86ba46c1f5510198e4d3e9d2"
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{
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{
"fixed": "63a672da7aa4c83dab770a9a11ced1df70ce7128"
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"fixed": "143a16f35602be8561215611582211dec280cae6"
},
{
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}
],
"database_specific": {
"extracted_events": [
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"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
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"introduced": "11.0.0-next.0"
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{
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"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
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"source": "REFERENCES_COMMIT"
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"source": "REFERENCES_COMMIT"
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{
"range": [
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"source": "REFERENCES_TAG",
"original_tag": "v10.1.2"
},
{
"range": [
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"source": "REFERENCES_TAG",
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"versions": [
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"v1.0.4",
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-21440.json"
}
}
],
"modified": "2026-10-28T02:30:51.268255717Z",
"provider": "osv",
"references": [
"https://github.com/adonisjs/bodyparser/releases/tag/v10.1.2",
"https://github.com/adonisjs/bodyparser/releases/tag/v11.0.0-next.6",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21440.json",
"https://github.com/adonisjs/core/security/advisories/GHSA-gvq6-hvvp-h34h",
"https://nvd.nist.gov/vuln/detail/CVE-2026-21440",
"https://github.com/adonisjs/bodyparser/commit/143a16f35602be8561215611582211dec280cae6",
"https://github.com/adonisjs/bodyparser/commit/6795c0e3fa824ae275bbd992aae60609e96f0f03"
],
"provider_metadata": {
"cwe_ids": [
"CWE-22"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21440.json"
}
},
"related_cves": [
{
"value": "CVE-2026-21440",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 519819,
"published_at": "2026-01-02T19:02:18.393+00:00"
}