CVE-2026-42043 PUBLISHED

Axios: Incomplete Fix for CVE-2025-62718 — NO_PROXY Protection Bypassed via RFC 1122 Loopback Subnet (127.0.0.0/8) in Axios 1.15.0

Assigner: GitHub_M
Reserved: 23.04.2026 Published: 24.04.2026 Updated: 24.04.2026

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.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CVSS Score: 7.2

Product Status

Vendor axios
Product axios
Versions
  • Version >= 1.0.0, < 1.15.1 is affected
  • Version < 0.31.1 is affected

References

Problem Types

  • CWE-183: Permissive List of Allowed Inputs CWE
  • CWE-441: Unintended Proxy or Intermediary ('Confused Deputy') CWE
  • CWE-918: Server-Side Request Forgery (SSRF) CWE