Axios affected by Denial of Service via __proto__ Key in mergeConfig

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2026-25639
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-02-09 21:15:49 UTC
Updated2026-05-21 20:13:01 UTC
DescriptionAxios 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.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-754 | CWE-754 CWE-754: Improper Check for Unusual or Exceptional Conditions

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Axios Axios All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Axios Axios affected >= 1.0.0, < 1.13.5 Not specified
CNA Axios Axios affected < 0.30.3 Not specified

References

ReferenceSourceLinkTags
github.com/axios/axios/commit/d7ff1409c68168d3057fc3891f911b2b92616f9e [email protected] github.com Patch
github.com/axios/axios/pull/7388 [email protected] github.com Issue Tracking
github.com/axios/axios/security/advisories/GHSA-43fc-jf86-j433 [email protected] github.com Exploit, Vendor Advisory
github.com/axios/axios/releases/tag/v1.13.5 [email protected] github.com Product, Release Notes
github.com/axios/axios/releases/tag/v0.30.3 [email protected] github.com Release Notes
github.com/axios/axios/pull/7369 [email protected] github.com Issue Tracking
github.com/axios/axios/commit/28c721588c7a77e7503d0a434e016f852c597b57 [email protected] github.com Patch
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