Improper Authorization

Overview better-auth is a The most comprehensive authentication library for TypeScript. Affected versions of this package are vulnerable to Improper Authorization in the deviceAuthorization plugin. An attacker can gain unauthorized access to a device or deny legitimate user sign-in by submitting ...

Better Auth: Device authorization approve and deny accept any authenticated session while the user code is pending

Am I affected? You are affected if all of the following are true: - You use better-auth at a version = 1.6.0, 1.6.11. - The deviceAuthorization plugin is enabled in your auth config deviceAuthorization in your plugins array. - A third party can observe a pending user code before the legitimate us...

PT-2026-46307

Am I affected? You are affected if all of the following are true: - You use better-auth at a version = 1.6.0, 1.6.11. - The deviceAuthorization plugin is enabled in your auth config deviceAuthorization in your plugins array. - A third party can observe a pending user code before the legitimate us...