CVE-2026-31998

| EUVD-2026-13035 HIGH
2026-03-19 VulnCheck GHSA-gw85-xp4q-5gp9
8.3
CVSS 4.0
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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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

4
Analysis Generated
Mar 19, 2026 - 01:30 vuln.today
EUVD ID Assigned
Mar 19, 2026 - 01:30 euvd
EUVD-2026-13035
Patch Released
Mar 19, 2026 - 01:30 nvd
Patch available
CVE Published
Mar 19, 2026 - 01:00 nvd
HIGH 8.3

Description

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.

Analysis

Synology OpenClaw versions 2026.2.22 and 2026.2.23 contain an authorization bypass in the synology-chat channel plugin where misconfigured allowlist policies with empty user IDs fail open, allowing authenticated Synology senders to dispatch unauthorized agents and execute downstream tool actions. The vulnerability requires network access and low-complexity exploitation, with a patch currently available.

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Remediation

Within 24 hours: Identify all systems running OpenClaw 2026.2.22 or 2026.2.23 and assess Synology Chat integration usage. Within 7 days: Apply the available vendor patch to all affected instances; if patching cannot be completed, disable the synology-chat channel plugin. …

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Priority Score

42
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +42
POC: 0

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CVE-2026-31998 vulnerability details – vuln.today

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