CVE-2026-42037

node-axios: Axios is a promise based HTTP client for the browser and Node.js

CVE-2026-42037 is fixed in node-axios on 1 platform by DEBIAN-CVE-2026-42037 (version 1.15.2-1), released May 15, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.3
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0029
22nd percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
node-axios · Debian 14 1.15.2-1 DEBIAN-CVE-2026-42037 May 15, 2026

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