TypeError Vulnerability in Axios HTTP Client Affects Browser and Node.js
CVE-2026-25639

7.5HIGH

Key Information:

Vendor

AxiOS

Status
AxiOS
Vendor
CVE Published:
9 February 2026

What is CVE-2026-25639?

A vulnerability in the Axios HTTP client prior to version 1.13.5 can be exploited through malicious configuration objects that include 'proto' as an own property. This leads to a TypeError in the mergeConfig function, resulting in a denial of service. Attackers can achieve this by leveraging JSON.parse() to create harmful configuration objects. The issue has been resolved in version 1.13.5, and users are advised to upgrade to ensure application security.

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Deploy the Patch

Affected Version(s)

axios >= 1.0.0, < 1.13.5 < 1.0.0, 1.13.5

axios < 0.30.3 < 0.30.3

References

https://github.com/axios/axios/security/advisories/GHSA-4...
x_refsource_CONFIRM
https://github.com/axios/axios/pull/7369
x_refsource_MISC
https://github.com/axios/axios/pull/7388
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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