CVE-2026-34503: Openclaw

High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days.

OpenClaw before 2026.3.28 fails to disconnect active WebSocket sessions when devices are removed or tokens are revoked. Attackers with revoked credentials can maintain unauthorized access through existing live sessions until forced reconnection.

Affected products

• Openclaw Openclaw: before 2026.3.28 (fixed in 2026.3.28)

Published 2026-03-31. Last modified 2026-07-24.