CVE-2026-42043

Description

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, an attacker who can influence the target URL of an Axios request can use any address in the 127.0.0.0/8 range (other than 127.0.0.1) to completely bypass the NO_PROXY protection. This vulnerability is due to an incomplete for CVE-2025-62718, This vulnerability is fixed in 1.15.1 and 0.31.1.

PUBLISHED Reserved 2026-04-23 | Published 2026-04-24 | Updated 2026-04-24 | Assigner GitHub_M

Problem types

CWE-183: Permissive List of Allowed Inputs

CWE-441: Unintended Proxy or Intermediary ('Confused Deputy')

CWE-918: Server-Side Request Forgery (SSRF)

Product status

References

github.com/.../axios/security/advisories/GHSA-pmwg-cvhr-8vh7

cve.org (CVE-2026-42043)

nvd.nist.gov (CVE-2026-42043)

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