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…

EPSS: 0.001 (19.8th percentile) — read the EPSS interpretation.

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.

Affected products

  • Axios — versions >= 1.0.0, < 1.15.0, < 0.31.0

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.