HTTP response splitting in axios - CVE-2026-40175
Published: May 20, 2026
Vulnerability identifier: #VU131921
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-40175
CWE-ID: CWE-113
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: axios
Affected software:
axios
axios
Detailed vulnerability description
The vulnerability allows a remote attacker to perform HTTP splitting attacks.
The vulnerability exists due to software does not correclty process CRLF character sequences. A remote attacker can send specially crafted request containing CRLF sequence and make the application to send a split HTTP response.
Successful exploitation of the vulnerability may allow an attacker perform cache poisoning attack.
How to mitigate CVE-2026-40175
Cybersecurity Help is currently unaware of any official solution to address this vulnerability..
Sources
- https://github.com/axios/axios/commit/03cdfc99e8db32a390e12128208b6778492cee9c
- https://github.com/axios/axios/commit/363185461b90b1b78845dc8a99a1f103d9b122a1
- https://github.com/axios/axios/pull/10660
- https://github.com/axios/axios/pull/10688
- https://github.com/axios/axios/releases/tag/v0.31.0
- https://github.com/axios/axios/releases/tag/v1.15.0
- https://github.com/axios/axios/security/advisories/GHSA-fvcv-3m26-pcqx
- https://github.com/axios/axios/pull/10660#issuecomment-4224168081
- https://cert-portal.siemens.com/productcert/html/ssa-876049.html