Description
OpenClaw before 2026.3.31 contains an allowlist bypass vulnerability in Matrix thread root and reply context handling that fails to properly validate message senders. Attackers can fetch thread-root and reply context messages that should be filtered by sender allowlists, bypassing access controls.
Published: 2026-04-28
Score: 2.3 Low
EPSS: < 1% Very Low
KEV: No
Impact: Unauthorized access to Matrix thread root and reply context messages via sender allowlist bypass
Action: Assess Impact
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-rg8m-3943-vm6q OpenClaw: Matrix thread root and reply context bypass sender allowlist
History

Wed, 29 Apr 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 28 Apr 2026 19:15:00 +0000

Type Values Removed Values Added
Description OpenClaw before 2026.3.31 contains an allowlist bypass vulnerability in Matrix thread root and reply context handling that fails to properly validate message senders. Attackers can fetch thread-root and reply context messages that should be filtered by sender allowlists, bypassing access controls.
Title OpenClaw < 2026.3.31 - Matrix Thread Context Allowlist Bypass via Sender Validation
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-346
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 2.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}


Subscriptions

Openclaw Openclaw
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-29T13:33:51.478Z

Reserved: 2026-04-20T14:10:32.653Z

Link: CVE-2026-41376

cve-icon Vulnrichment

Updated: 2026-04-29T13:33:45.671Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-28T19:37:40.413

Modified: 2026-05-01T15:50:24.230

Link: CVE-2026-41376

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-29T00:15:43Z

Weaknesses