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VulnerabilityPublished Updated

CVE-2026-42037: axios · CRLF Injection

Affects axiosSource GCVE Database

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Not known to be exploited · CVSS 5.3 Medium : upgrade to 1.15.1 when convenient.

Data as of 12 Nov 2026, 01:03 UTC

CVSS 3.1 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (GitHub_M)CVSS 3.15.3
Patch
Available – fixed in 1.15.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 24 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 11 Nov 2026.

What to do

Upgrade axios to 1.15.1.

Affected software

ProductAffectedFixed in
axios axiosAffected
  • >=1.0.0 <1.15.1
Fixed in
  • 1.15.1

AI-suggested

Upgrade axios to version 1.15.1 or later, where this vulnerability is fixed. No other mitigations are indicated or required as the fix addresses the root cause by sanitizing CRLF sequences in the Content-Type header of multipart parts.

Description

Axios versions from 1.0.0 up to but not including 1.15.1 contain a CRLF injection vulnerability in the FormDataPart constructor. This occurs because the value.type property of a Blob/File-like object is directly interpolated into the Content-Type header of multipart form-data parts without sanitization of CRLF sequences. An attacker controlling this property can inject arbitrary MIME part headers, bypassing Node.js v18+ header protections. The issue is fixed in version 1.15.1.

References

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