axios in a Node.js deployment using the HTTP adapter can route requests through an attacker-controlled proxy. axios hardens merged request configuration by creating a null-prototype object, but request interceptors run after the merge; a common immutable interceptor pattern such as {...config} or Object.assign({}, config) converts the hardened config back into a regular object. axios then dispatches that object without re-hardening it, and the Node HTTP adapter reads config.proxy through the prototype chain. If an attacker can pollute Object.prototype.proxy, affected requests can be routed through an attacker-controlled proxy. For plaintext HTTP requests, the proxy can observe Authorization headers, Basic auth from config.auth, method, absolute URL, Host, and request body, and can return its own response. This does not establish browser impact or HTTPS header/body disclosure under normal TLS validation. Affected versions are >=0.31.1 (fixed in 0.33.0) and >=1.15.2 (fixed in 1.18.0).
CVSS
No CVSS.
References
Configurations
No configuration.
History
01 Aug 2026, 13:17
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-08-01 13:17
Updated : 2026-08-01 13:17
NVD link : CVE-2026-67320
Mitre link : CVE-2026-67320
CVE.ORG link : CVE-2026-67320
JSON object : View
Products Affected
No product.
CWE
CWE-200
Exposure of Sensitive Information to an Unauthorized Actor