Medium
node-axios — security advisory
Axios is a promise based HTTP client for the browser and Node.js. From 1.0.0 to before 1.15.1, the FormDataPart constructor in lib/helpers/formDataToStream.js interpolates value.type directly into the Content-Type header of each multipart part without sanitizing CRLF (\r\n) sequences. An attacker who controls the .type property of a Blob/File-like object (e.g., via a user-uploaded file in a Node.js proxy service) can inject arbitrary MIME part headers into the multipart form-data body. This bypasses Node.js v18+ built-in header protections because the injection targets the multipart body structure, not HTTP request headers. This vulnerability is fixed in 1.15.1.
- Products
- node-axios
- Affected versions
- 0.19.0+dfsg-2, 0.19.0+dfsg-2ubuntu0.1~esm1, 0.21.1+dfsg-1, 0.23.0+dfsg-2, 0.24.0+dfsg-1, 0.25.0+dfsg-2, 0.26.0+dfsg-1, 0.26.0+dfsg-1ubuntu0.1~esm1, 1.11.0+dfsg-1, 1.12.1+dfsg-1, 1.13.2+dfsg-1build1, 1.13.2+dfsg-1ubuntu0.1~esm1, 1.16.0-1, 1.18.0-1, 1.19.0-1, 1.2.1+dfsg-1, 1.5.1+dfsg-1, 1.6.2+dfsg-1, 1.6.8+dfsg-2, 1.6.8+dfsg-2ubuntu0.1~esm1, 1.7.9+dfsg-1, 1.8.4+dfsg-1
- Fixed versions
- Not specified
- CVEs
- CVE-2026-42037
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 03:03 UTC · Revision 1
Source evidence
Axios is a promise based HTTP client for the browser and Node.js. From 1.0.0 to before 1.15.1, the FormDataPart constructor in lib/helpers/formDataToStream.js interpolates value.type directly into the Content-Type header of each multipart part without sanitizing CRLF (\r\n) sequences. An attacker who controls the .type property of a Blob/File-like object (e.g., via a user-uploaded file in a Node.js proxy service) can inject arbitrary MIME part headers into the multipart form-data body. This bypasses Node.js v18+ built-in header protections because the injection targets the multipart body structure, not HTTP request headers. This vulnerability is fixed in 1.15.1.
osv:UBUNTU-CVE-2026-42037
node-axios
Fixed versions: Not specified
node-axios
Fixed versions: Not specified
node-axios
Fixed versions: Not specified
node-axios
Fixed versions: Not specified
node-axios
Fixed versions: Not specified
node-axios
Fixed versions: Not specified
Complete source record
{
"id": "3e8d01fdc49737b3e7c3cc29d4ef426dff6433a79b9d3c5970edab7934cc88b7",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-42037",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-42037",
"summary": "Axios is a promise based HTTP client for the browser and Node.js. From 1.0.0 to before 1.15.1, the FormDataPart constructor in lib/helpers/formDataToStream.js interpolates value.type directly into the Content-Type header of each multipart part without sanitizing CRLF (\\r\\n) sequences. An attacker who controls the .type property of a Blob/File-like object (e.g., via a user-uploaded file in a Node.js proxy service) can inject arbitrary MIME part headers into the multipart form-data body. This bypasses Node.js v18+ built-in header protections because the injection targets the multipart body structure, not HTTP request headers. This vulnerability is fixed in 1.15.1.",
"evidence": "osv:UBUNTU-CVE-2026-42037",
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"severity": "medium",
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"aliases": [
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"metrics": [
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{
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"versions": [
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"modified": "2026-10-17T13:00:05.191849368Z",
"provider": "osv",
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"references": [
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"https://www.cve.org/CVERecord?id=CVE-2026-42037",
"https://github.com/axios/axios/security/advisories/GHSA-445q-vr5w-6q77"
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"source_id": "core-osv",
"document_id": 360293,
"published_at": "2026-04-24T18:16:00+00:00"
}