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CVE-2026-25639

Axios affected by Denial of Service via __proto__ Key in mergeConfig PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
axios / axiosaffected >= 1.0.0, < 1.13.5; affected < 0.30.3

CWE

CWE-754

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

redhat-SADP

A denial of service flaw has been discovered in the Axios npm package. 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.