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Vulnerabilities CVE-2026-42264

CVE-2026-42264

High
Open
TLP:CLEAR

Axios: Prototype pollution read-side gadgets in HTTP adapter allow credential injection and request hijacking

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Description

Axios is a promise based HTTP client for the browser and Node.js. From version 1.0.0 to before version 1.15.2, fFive config properties (auth, baseURL, socketPath, beforeRedirect, and insecureHTTPParser) in the HTTP adapter are read via direct property access without hasOwnProperty guards, making them exploitable as prototype pollution gadgets. When Object.prototype is polluted by another dependency in the same process, axios silently picks up these polluted values on every outbound HTTP request. This issue has been patched in version 1.15.2.

Details

CVSS Score
7.4
EPSS Score
0.72%

50.5th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Confidence
90%
Published
May 8, 2026
Last Modified
Aug 14, 2026
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