CVE-2026-31998
OpenClaw 2026.2.22 < 2026.2.24 - Authorization Bypass in Synology Chat Plugin via Empty allowedUserIds
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.
INFO
Published Date :
March 19, 2026, 2:16 a.m.
Last Modified :
March 19, 2026, 6:48 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update OpenClaw to a non-vulnerable version.
- Update the synology-chat channel plugin.
- Configure dmPolicy with valid allowedUserIds.
- Validate authorization enforcement.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-31998.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-31998 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-31998
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-31998 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-31998 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 19, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:* versions from (including) 2026.2.22 up to (excluding) 2026.2.24 Added Reference Type VulnCheck: https://github.com/openclaw/openclaw/commit/0ee30361b8f6ef3f110f3a7b001da6dd3df96bb5 Types: Patch Added Reference Type VulnCheck: https://github.com/openclaw/openclaw/commit/7655c0cb3a47d0647cbbf5284e177f90b4b82ddb Types: Patch Added Reference Type VulnCheck: https://github.com/openclaw/openclaw/security/advisories/GHSA-gw85-xp4q-5gp9 Types: Mitigation, Vendor Advisory Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/openclaw-authorization-bypass-in-synology-chat-plugin-via-empty-alloweduserids Types: Third Party Advisory -
New CVE Received by [email protected]
Mar. 19, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 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 Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:L Added CWE CWE-863 Added Reference https://github.com/openclaw/openclaw/commit/0ee30361b8f6ef3f110f3a7b001da6dd3df96bb5 Added Reference https://github.com/openclaw/openclaw/commit/7655c0cb3a47d0647cbbf5284e177f90b4b82ddb Added Reference https://github.com/openclaw/openclaw/security/advisories/GHSA-gw85-xp4q-5gp9 Added Reference https://www.vulncheck.com/advisories/openclaw-authorization-bypass-in-synology-chat-plugin-via-empty-alloweduserids