Incorrect authorization in OpenClaw - CVE-2026-31998
Published: May 1, 2026
Vulnerability identifier: #VU128773
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-31998
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenClaw
Affected software:
OpenClaw
OpenClaw
Detailed vulnerability description
The vulnerability allows a remote user to trigger downstream agent or tool actions.
The vulnerability exists due to incorrect authorization in the synology-chat channel plugin webhook authorization logic when handling inbound Synology direct messages with dmPolicy set to allowlist and allowedUserIds empty or unset. A remote user can send messages through Synology Chat to trigger downstream agent or tool actions.
Exploitation requires the optional synology-chat channel plugin to be configured.
How to mitigate CVE-2026-31998
Install security update from vendor's website.