Dgraph: Zero Unauthenticated HTTP Admin removeNode Denial of Service

Summary Dgraph v25.3.8 exposes a Zero HTTP administrative surface that is unauthenticated when port 6080 is reachable. The exposed routes include: - /state - /assign - /removeNode - /moveTablet An unauthenticated request to /removeNode?id=1&group=0 on a single-node standalone deployment breaks th...