CVE-2026-25639
February 09, 2026
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 Packages
https://github.com/axios/axios.git (GITHUB):
Affected version(s) >=v0.1.0 <v1.13.5Fix Suggestion:
Update to version v1.13.5axios (NPM):
Affected version(s) >=0.1.0 <0.30.3Fix Suggestion:
Update to version 0.30.3axios (NPM):
Affected version(s) >=1.0.0 <1.13.5Fix Suggestion:
Update to version 1.13.5Additional Notes
The description of this vulnerability differs from MITRE.
Related Resources (10)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Improper Check for Unusual or Exceptional Conditions
EPSS
Base Score:
0.01
