Description
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.
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Remediation
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References
History
Fri, 24 Apr 2026 18:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | Axios: CRLF Injection in multipart/form-data body via unsanitized blob.type in formDataToStream | |
| Weaknesses | CWE-93 | |
| References |
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| Metrics |
cvssV3_1
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Subscriptions
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-04-24T17:58:16.058Z
Reserved: 2026-04-23T16:05:01.708Z
Link: CVE-2026-42037
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Status : Received
Published: 2026-04-24T18:16:30.543
Modified: 2026-04-24T18:16:30.543
Link: CVE-2026-42037
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OpenCVE Enrichment
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Weaknesses