---
id: CVE-2026-40175
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. 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 inje…
severity: medium
cvss: 4.8
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N'
cwe:
  - CWE-113
  - CWE-444
  - CWE-918
  - CWE-915
vendor: axios
product: axios
affected:
  - axios < 0.31.0
  - 'axios >= 1.0.0, < 1.15.0'
patched:
  - axios 1.15.0
published: '2026-04-10'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T13:19:49.597'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-40175'
references:
  - url: >-
      https://github.com/axios/axios/commit/03cdfc99e8db32a390e12128208b6778492cee9c
    label: security-advisories@github.com
  - url: >-
      https://github.com/axios/axios/commit/363185461b90b1b78845dc8a99a1f103d9b122a1
    label: security-advisories@github.com
  - url: 'https://github.com/axios/axios/pull/10660'
    label: security-advisories@github.com
  - url: 'https://github.com/axios/axios/pull/10688'
    label: security-advisories@github.com
  - url: 'https://github.com/axios/axios/releases/tag/v0.31.0'
    label: security-advisories@github.com
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    label: security-advisories@github.com
  - url: 'https://github.com/axios/axios/security/advisories/GHSA-fvcv-3m26-pcqx'
    label: security-advisories@github.com
  - url: 'https://github.com/axios/axios/pull/10660#issuecomment-4224168081'
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tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-05-12T20:43:26.884164Z'
epss: 0.01307
epssPercentile: 0.69336
exploits:
  github: 4
  githubRepos:
    - 'https://github.com/0xBlackash/CVE-2026-40175'
    - 'https://github.com/surri/audit-axios'
    - 'https://github.com/LeeKangHyun/axios-security-guide'
  checkedAt: '2026-09-25T08:20:56.402Z'
ingestedAt: '2026-07-10T01:55:23.159Z'
---

## Overview

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 unsanitized header values into outbound requests. This vulnerability is fixed in 1.15.0 and 0.3.1.

## Affected

- `axios < 0.31.0`
- `axios >= 1.0.0, < 1.15.0`

## Remediation

Upgrade past the affected range:

- `axios 1.15.0`