CVE-2026-31998 HIGH

CVE-2026-31998: OpenClaw 2026.2.22 < 2026.2.24 - Authorization Bypass in Synology Chat Plugin via Empty allowedUserIds

Vendor Openclaw
Product OpenClaw
Weakness CWE-863 · Incorrect authorization
Published March 19, 2026
Last update March 25, 2026

CVSS base score

8.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 19, 2026 CVE published
March 25, 2026 Record updated