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CVE-2026-42033— Axios: Prototype Pollution Gadgets - Response Tampering, Data Exfiltration, and Request Hijacking

CVSS 7.4 · High EPSS 0.10% · P28
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I. Basic Information for CVE-2026-42033

Vulnerability Information

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Vulnerability Title
Axios: Prototype Pollution Gadgets - Response Tampering, Data Exfiltration, and Request Hijacking
Source: NVD (National Vulnerability Database)
Vulnerability Description
Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, when Object.prototype has been polluted by any co-dependency with keys that axios reads without a hasOwnProperty guard, an attacker can (a) silently intercept and modify every JSON response before the application sees it, or (b) fully hijack the underlying HTTP transport, gaining access to request credentials, headers, and body. The precondition is prototype pollution from a separate source in the same process. This vulnerability is fixed in 1.15.1 and 0.31.1.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1321
Source: NVD (National Vulnerability Database)
Vulnerability Title
Axios 安全漏洞
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 1.15.1之前版本和0.31.1之前版本存在安全漏洞,该漏洞源于Object.prototype被污染时,攻击者可以静默拦截并修改每个JSON响应,或完全劫持底层HTTP传输,获取请求凭据、标头和正文。
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

VendorProductAffected VersionsCPESubscribe
axiosaxios >= 1.0.0, < 1.15.1 -

II. Public POCs for CVE-2026-42033

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III. Intelligence Information for CVE-2026-42033

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Same Patch Batch · axios · 2026-04-24 · 12 CVEs total

CVE-2026-420357.4 HIGHAxios: Header Injection via Prototype Pollution
CVE-2026-420437.2 HIGHAxios: Incomplete Fix for CVE-2025-62718 — NO_PROXY Protection Bypassed via RFC 1122 Loop
CVE-2026-420386.8 MEDIUMAxios: no_proxy bypass via IP alias allows SSRF
CVE-2026-420446.5 MEDIUMAxios: Invisible JSON Response Tampering via Prototype Pollution Gadget in `parseReviver`
CVE-2026-420425.4 MEDIUMAxios: XSRF Token Cross-Origin Leakage via Prototype Pollution Gadget in `withXSRFToken` B
CVE-2026-420375.3 MEDIUMAxios: CRLF Injection in multipart/form-data body via unsanitized blob.type in formDataToS
CVE-2026-420345.3 MEDIUMAxios: HTTP adapter streamed uploads bypass maxBodyLength when maxRedirects: 0
CVE-2026-420365.3 MEDIUMAxios: HTTP adapter streamed responses bypass maxContentLength
CVE-2026-420414.8 MEDIUMAxios: Authentication Bypass via Prototype Pollution Gadget in `validateStatus` Merge Stra
CVE-2026-420403.7 LOWAxios: Null Byte Injection via Reverse-Encoding in AxiosURLSearchParams
CVE-2026-42039Axios: unbounded recursion in toFormData causes DoS via deeply nested request data

IV. Related Vulnerabilities

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