---
id: CVE-2026-44492
title: Axios is a promise based HTTP client for the browser and Node.js
summary: >-
  Axios is a promise based HTTP client for the browser and Node.js. Prior to
  0.32.0 and 1.16.0, Axios does not normalise IPv4-mapped IPv6 addresses. When
  NO_PROXY lists an IPv4 address such as 127.0.0.1 or 169.254.169.254, a request
  URL us…
severity: high
cvss: 8.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N'
cwe:
  - CWE-918
  - CWE-289
vendor: axios
product: axios
affected:
  - axios < 0.32.0
  - 'axios >= 1.0.0, < 1.16.0'
patched:
  - axios 1.16.0
published: '2026-06-11'
updated: '2026-09-11'
sourceUpdated: '2026-09-11T13:18:07.357'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-44492'
references:
  - url: 'https://github.com/axios/axios/security/advisories/GHSA-pjwm-pj3p-43mv'
    label: security-advisories@github.com
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  - url: 'https://access.redhat.com/security/cve/CVE-2026-44492'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2487938'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://github.com/axios/axios/security/advisories/GHSA-pjwm-pj3p-43mv'
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  - url: >-
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tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-06-13T02:10:20.471026Z'
epss: 0.00783
epssPercentile: 0.54158
ingestedAt: '2026-07-07T12:52:59.634Z'
---

## Overview

Axios is a promise based HTTP client for the browser and Node.js. Prior to 0.32.0 and 1.16.0, Axios does not normalise IPv4-mapped IPv6 addresses. When NO_PROXY lists an IPv4 address such as 127.0.0.1 or 169.254.169.254, a request URL using the IPv4-mapped IPv6 form (::ffff:7f00:1, ::ffff:a9fe:a9fe) still routes through the configured proxy. Node.js resolves these addresses to the underlying IPv4 host, so the request reaches the internal service via the proxy rather than being blocked. This vulnerability is fixed in 0.32.0 and 1.16.0.

## Affected

- `axios < 0.32.0`
- `axios >= 1.0.0, < 1.16.0`

## Remediation

Upgrade past the affected range:

- `axios 1.16.0`