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Vulnerability · Published Apr 24, 2026 · Assigned by GitHub_M

CVE-2026-42043Axios: 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

High 7.2

In plain English

A high-severity server-side request forgery in axios from axios. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.7%top 46.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12node-axiosno fix listedDEBIAN-CVE-2026-42043
Debian:13node-axiosno fix listedDEBIAN-CVE-2026-42043
Debian:14node-axios1.15.2-1DEBIAN-CVE-2026-42043
Ubuntu:25.10node-axiosno fix listedUBUNTU-CVE-2026-42043
npmaxios1.15.1GHSA-pmwg-cvhr-8vh7
npmaxios0.31.1GHSA-pmwg-cvhr-8vh7

Affected products (as reported)

VendorProductVersions
axios axios >= 1.0.0, < 1.15.1< 0.31.1

Weakness: CWE-183, CWE-441, CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

References