High · published February 10, 2026
⚡ A maliciously crafted configuration object can send your Axios app crashing down like a house of cards! Think of Axios like a busy restaurant kitchen. If a chef gets an unexpected ingredient (like a rogue '__proto__'), it could throw off the entire meal preparation, causing chaos and a complete halt to service! An attacker can exploit this vulnerability to create a denial of service, leaving your application completely unresponsive. Imagine your app suddenly freezing mid-service, frustrating users and potentially causing losses — yikes!
Think of Axios like a busy restaurant kitchen. If a chef gets an unexpected ingredient (like a rogue '__proto__'), it could throw off the entire meal preparation, causing chaos and a complete halt to service! This vulnerability in Axios allows a TypeError to occur during the processing of configuration objects that contain '__proto__' as an own property, which can be triggered through a maliciously constructed JSON object.
An attacker can exploit this vulnerability to create a denial of service, leaving your application completely unresponsive. Imagine your app suddenly freezing mid-service, frustrating users and potentially causing losses — yikes! Update Axios to versions 0.30.3 or 1.13.5 immediately to patch this vulnerability. Review your configuration objects to ensure they don't include any unexpected properties that could cause similar issues in the future. You've got this! Follow these steps and your app will be back on track in no time. 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| axios/axios | < 0.30.3 | 0.30.3 |
| axios/axios | ≥ 1.0.0, < 1.13.5 | 1.13.5 |