CVE-2026-25639— Axios affected by Denial of Service via __proto__ Key in mergeConfig
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I. Basic Information for CVE-2026-25639
Vulnerability Information
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Vulnerability Title
Axios affected by Denial of Service via __proto__ Key in mergeConfig
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对因果或异常条件的不恰当检查
Source: NVD (National Vulnerability Database)
Vulnerability Title
Axios 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Axios是Axios开源的一款基于Promise（异步编程的一种解决方案）的HTTP客户端。 Axios 1.13.5之前版本存在代码问题漏洞，该漏洞源于mergeConfig函数处理包含__proto__属性的配置对象时崩溃，可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-25639
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IV. Related Vulnerabilities
Same product: axios
- CVE-2026-42264
Axios: Prototype pollution read-side gadgets in HTTP adapter - CVE-2026-42042
Axios: XSRF Token Cross-Origin Leakage via Prototype Polluti - CVE-2026-42039
Axios: unbounded recursion in toFormData causes DoS via deep - CVE-2026-42036
Axios: HTTP adapter streamed responses bypass maxContentLeng - CVE-2026-42034
Axios: HTTP adapter streamed uploads bypass maxBodyLength wh
Same vendor: axios
- CVE-2026-42264
Axios: Prototype pollution read-side gadgets in HTTP adapter - CVE-2026-42042
Axios: XSRF Token Cross-Origin Leakage via Prototype Polluti - CVE-2026-42039
Axios: unbounded recursion in toFormData causes DoS via deep - CVE-2026-42036
Axios: HTTP adapter streamed responses bypass maxContentLeng - CVE-2026-42034
Axios: HTTP adapter streamed uploads bypass maxBodyLength wh
Same weakness: CWE-754
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Improper timeout handling in CODESYS EtherNetIP - CVE-2026-35366
uutils coreutils printenv Security Inspection Bypass via UTF - CVE-2026-40343
free5GC UDR: Fail-open handling in PolicyDataSubsToNotifyPos - CVE-2026-40249
free5gc UDR fail-open request handling in PolicyDataSubsToNo
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