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CVE-2026-67320 is a high-severity information disclosure vulnerability in axios affecting Node.js deployments that use the HTTP adapter. Axios hardens merged request configuration by creating a null-prototype object, but request interceptors execute after the merge step. Common immutable interceptor patterns, including object spread and Object.assign cloning, can convert the hardened configuration back into a regular object. Axios then dispatches that modified configuration without re-hardening it, and the Node.js HTTP adapter reads the proxy setting through the prototype chain. If an attacker is able to pollute Object.prototype with a proxy property, affected requests can be redirected through an attacker-controlled proxy. For plaintext HTTP traffic, this can expose authorization data, request metadata, and request bodies, and it also enables attacker-controlled responses to be returned to the application. The issue is described for axios versions 0.31.1 before 0.33.0 and 1.15.2 before 1.18.0.
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An information disclosure/spoofing vulnerability in the Axios HTTP client library for Node.js caused by improper handling of request configuration. Under certain conditions, prior prototype pollution compromise can inject a malicious proxy configuration via the prototype chain, redirecting application requests through an attacker-controlled proxy.
A high-severity axios vulnerability in Node.js HTTP adapter deployments where prototype pollution of Object.prototype.proxy can cause requests to be routed through an attacker-controlled proxy, exposing plaintext HTTP request data and enabling attacker-controlled responses.
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Cross-references every affected SKU, including bundled OEM variants.
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