CVE-2026-31998: Openclaw

High severity, CVSS 8.6. EPSS: 0.6% chance of exploitation in the next 30 days.

OpenClaw versions 2026.2.22 and 2026.2.23 contain an authorization bypass vulnerability in the synology-chat channel plugin where dmPolicy set to allowlist with empty allowedUserIds fails open. Attackers with Synology sender access can bypass authorization checks and trigger unauthorized agent dispatch and downstream tool actions.

Affected products

• Openclaw Openclaw: from 2026.2.22, before 2026.2.24 (fixed in 2026.2.24)

Published 2026-03-19. Last modified 2026-06-17.