Code Injection Vulnerability in Axios HTTP Client
CVE-2026-42037

5.3MEDIUM

Key Information:

Vendor

AxiOS

Status
AxiOS
Vendor
CVE Published:
24 April 2026

What is CVE-2026-42037?

The Axios HTTP client, versions 1.0.0 through 1.15.0, contains a vulnerability in the FormDataPart constructor found in lib/helpers/formDataToStream.js. This issue arises from the lack of sanitization of CRLF sequences in the Content-Type header, allowing attackers to control the .type property of a Blob/File-like object. By exploiting user-uploaded files in a Node.js proxy service, an attacker could inject arbitrary MIME part headers into the multipart form-data body. This flaw bypasses the built-in header protections in Node.js v18 and later versions since the injection affects the multipart body structure rather than the HTTP request headers. The issue has been resolved in version 1.15.1.

Affected Version(s)

axios >= 1.0.0, < 1.15.1

References

https://github.com/axios/axios/security/advisories/GHSA-4...
x_refsource_CONFIRM

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.