CVE-2026-41344: Openclaw

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

OpenClaw before 2026.3.28 contains a privilege escalation vulnerability in the chat.send endpoint that allows write-scoped gateway callers to persist admin-only verboseLevel session overrides. Attackers can exploit the /verbose parameter to bypass access controls and expose sensitive reasoning or tool output intended to be restricted to administrators.

Affected products

• Openclaw Openclaw: before 2026.3.28 (fixed in 2026.3.28)

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