Pterodactyl's shared global rate-limit key on login and 2FA checkpoint enables unauthenticated panel-wide authentication lockout (DoS)

Summary The authentication rate limiter used for the login and two-factor checkpoint endpoints applies a single global bucket shared by every client, instead of keying per IP or per account. An unauthenticated attacker sending 10 requests per minute from one IP exhausts the shared bucket and caus...