SSRF in Axios
CVE-2026-40175
Axios is a promise based HTTP client for the browser and Node.js. Versions prior to 1.15.0 and 0.3.1 are vulnerable to a specific gadget-style attack chain in which prototype pollution in a third-party dependency may be leveraged to inject unsanitized header values into outbound requests. This vulnerability is fixed in 1.15.0 and 0.3.1.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.013 (69.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.013 · change: -0.006
Affected products
- Axios — versions >= 1.0.0, < 1.15.0, < 0.31.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/axios/axios/security/advisories/GHSA-fvcv-3m26-pcqx (Exploit, Mitigation, Vendor Advisory)
- github.com/axios/axios/pull/10660 (Patch, Issue Tracking)
- github.com/axios/axios/pull/10688 (Patch)
- github.com/axios/axios/commit/03cdfc99e8db32a390e12128208b6778492cee9c (Patch)
- github.com/axios/axios/commit/363185461b90b1b78845dc8a99a1f103d9b122a1 (Patch)
- github.com/axios/axios/releases/tag/v0.31.0 (Release Notes)
- github.com/axios/axios/releases/tag/v1.15.0 (Product, Release Notes)
- af854a3a-2127-422b-91ae-364da2661108 (Issue Tracking, Patch)
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Frequently asked questions
- What is CVE-2026-40175?
- CVE-2026-40175 is a medium-severity vulnerability in Axios, classified under HTTP Response Splitting. CVSS score: 4.8/10. Published 2026-04-10.
- How severe is CVE-2026-40175?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2026-40175 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.