Prototype Pollution

Axios is vulnerable to Prototype Pollution. The vulnerability is due to inherited data, proxy, and paramsSerializer values being read from polluted Object.prototype, allowing attackers to alter request bodies, proxy routing, or URL serialization when affected low-level paths are used...

CVE-2026-67316

axios is vulnerable to read-side prototype-pollution gadgets that can alter request construction when Object.prototype has already been polluted by a separate vulnerability or dependency. In the bodyless method aliases axios.get, axios.delete, axios.head, axios.options, inherited data is read via...

CVE-2026-67319

axios before 0.33.0 and 1.x before 1.18.0 can consume inherited properties from nested request option objects when the JavaScript process's Object.prototype has already been polluted by another component. While the top-level merged config uses a null prototype, nested plain objects such as auth a...

CVE-2026-67319: Improperly Controlled Modification of Object Prototype Attributes

axios before 0.33.0 and 1.x before 1.18.0 can consume inherited properties from nested request option objects when the JavaScript process's Object.prototype has already been polluted by another component. While the top-level merged config uses a null prototype, nested plain objects such as auth a...