CVE-2026-41376: OpenClaw < 2026.3.31 - Matrix Thread Context Allowlist Bypass via Sender Validation

Published Apr 28, 2026
·
Updated

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.

Affected Software

2 affected components
OpenClaw OpenClaw<2026.3.31
OpenClaw Openclaw Node.js<2026.3.31

Event History

Apr 28, 2026
CVE Published
via MITRE·06:09 PM
Data Sourced
via MITRE·06:09 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:37 PM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-41376?

CVE-2026-41376 is rated as a critical vulnerability due to the potential for unauthorized access to thread-root and reply context by attackers.

2

How do I fix CVE-2026-41376?

To fix CVE-2026-41376, update OpenClaw to version 2026.3.31 or later.

3

What systems are affected by CVE-2026-41376?

CVE-2026-41376 affects all versions of OpenClaw prior to 2026.3.31.

4

What type of vulnerability is CVE-2026-41376?

CVE-2026-41376 is an allowlist bypass vulnerability related to message sender validation in thread context handling.

5

What is the impact of CVE-2026-41376?

The impact of CVE-2026-41376 allows attackers to fetch sensitive thread-root and reply context information, potentially leading to further exploitation.

Contact

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