Axios: Authentication Bypass via Prototype Pollution Gadget in `validateStatus` Merge Strategy
Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, the Axios library is vulnerable to a Prototype Pollution "Gadget" attack that allows any Object.prototype pollution to silently suppress all HTTP error responses (401, 403, 500, etc.), causing them to be treated as successful …
Severity medium: primary CNA CVSS 4.8 v3.1 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2026-04-24T17:55:30.036Z. Updated 2026-09-10T12:04:53.539Z.