CVE-2026-31998

HIGH EPSS 23.8%
Published Mar 19, 20263mo ago · Modified Jun 17, 20262w ago
8.3 CVSS 4.0
High
Find Similar
Published Mar 19, 2026 3mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
8.3
Exploitability
Impact
Vector string
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

Threat Intelligence

EPSS Exploit Probability
23.8% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-863 Incorrect Authorization Authorization

Affected Products 1

VendorProductVersionRange
openclawopenclaw*≥2026.2.22  –  <2026.2.24

References 4

  • github.com https://github.com/openclaw/openclaw/commit/0ee30361b8f6ef3f110f3a7b001da6dd3df96bb5
    Patch
  • github.com https://github.com/openclaw/openclaw/commit/7655c0cb3a47d0647cbbf5284e177f90b4b82ddb
    Patch
  • github.com https://github.com/openclaw/openclaw/security/advisories/GHSA-gw85-xp4q-5gp9
    MitigationVendor Advisory
  • vulncheck.com https://www.vulncheck.com/advisories/openclaw-authorization-bypass-in-synology-chat-plugin-via-empty-alloweduserids
    Third Party Advisory

Remediation

  • github.com https://github.com/openclaw/openclaw/commit/0ee30361b8f6ef3f110f3a7b001da6dd3df96bb5
    Patch
  • github.com https://github.com/openclaw/openclaw/commit/7655c0cb3a47d0647cbbf5284e177f90b4b82ddb
    Patch