GHSA-RXMX-G7HR-8MX4 OpenClaw: Zalo replay dedupe keys could suppress messages across chats or senders

Summary Before OpenClaw 2026.4.2, Zalo webhook replay dedupe keys were not scoped strongly enough across chat and sender dimensions. Legitimate events from different conversations or senders could collide and be dropped as duplicates. Impact Cross-conversation or cross-sender collisions could cau...