CVE-2026-114607

The better-auth authentication and authorization library for TypeScript (versions 1.4.0-beta.18 to 1.7.7 ) contains a vulnerability where an OAuth sign-in state can be misused as a Magic Link token. This occurs when specific configurations are met: Magic Link is enabled with storeToken set to pla...

CVE-2026-114607 better-auth: OAuth state can be used as a Magic Link to sign in as another user

Better Auth is an authentication and authorization library for TypeScript. From 1.4.0-beta.18 until 1.7.7, deployments that enable Magic Link with storeToken set to plain, or with storeToken set to hashed and the global verification.storeIdentifier setting also set to hashed, enable a built-in...