CVE-2026-41354: Openclaw

Medium severity, CVSS 5.3. EPSS: 0.5% chance of exploitation in the next 30 days.

OpenClaw before 2026.4.2 contains an insufficient scope vulnerability in Zalo webhook replay dedupe keys that allows legitimate events from different conversations or senders to collide. Attackers can exploit weak deduplication scoping to cause silent message suppression and disrupt bot workflows across chat sessions.

Affected products

• Openclaw Openclaw: before 2026.4.2 (fixed in 2026.4.2)

Published 2026-04-23. Last modified 2026-06-17.