Trigger.dev before 4.5.6 self-hosted Docker Compose deployments using the default secrets from hosting/docker/.env.example allow authentication bypass because the hardcoded MAGIC_LINK_SECRET lets anyone forge valid magic link tokens. Unauthenticated attackers can log in as any email address, then reach Postgres, Redis, and ClickHouse with default credentials from runner containers on infrastructure networks, compromising all tenant data.