What is CVE-2026-42037?

CVE-2026-42037 is a medium-severity vulnerability in Axios, classified under CRLF Injection. CVSS score: 5.3/10. Published 2026-04-24.

How severe is CVE-2026-42037?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Axios

CVE-2026-42037

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…

Vulnerability class: CRLF Injection

EPSS: 0.001 (24.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Axios — versions >= 1.0.0, < 1.15.1

Weakness classification (CWE)

CWE-93 — CRLF Injection

References

https://github.com/axios/axios/security/advisories/GHSA-445q-vr5w-6q77 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-42037?: CVE-2026-42037 is a medium-severity vulnerability in Axios, classified under CRLF Injection. CVSS score: 5.3/10. Published 2026-04-24.
How severe is CVE-2026-42037?: Medium severity. CVSS v3 base score is 5.3 out of 10.