GHSA-8FPG-XM3F-6CX3 Auth.js: Configuration errors can cause existence-based auth checks to fail open (auth object populated with an error)

Impact next-auth Auth.js v5 applications that gate access by checking only for the existence of the auth object — the pattern shown in the official session management / protecting resources guide — are affected. When the Auth.js configuration produces a server-side error, the auth object exposed ...