CVE-2026-25639

High

Description

Axios is a promise based HTTP client for the browser and Node.js. Prior to versions 0.30.3 and 1.13.5, the mergeConfig function in axios crashes with a TypeError when processing configuration objects containing __proto__ as an own property. An attacker can trigger this by providing a malicious configuration object created via JSON.parse(), causing complete denial of service. This vulnerability is fixed in versions 0.30.3 and 1.13.5.

SeverityHigh

CVSS7.5

Exploit probability—

Product

Axios

PublishedFeb 9, 2026

First seenFeb 9, 2026

Weakness typeCWE-754CWE-754

How to fix

Update

axios axios0.30.3, 1.13.5 or later
axios1.13.5, 0.30.3 or later

Vendor advisories

Affected products

Product	Affected versions	Fixed in
axios axios	v < 0.30.3, 1.0.0 ≤ v < 1.13.5	0.30.3, 1.13.5
axiosnpm	1.0.0 ≤ v < 1.13.5, v < 0.30.3	1.13.5, 0.30.3

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