CVE-2026-53815: OpenClaw Message Read Actions Bypass Channel Allowlist Checks
Summary
CVE-2026-53815: OpenClaw: Message read actions could skip channel allowlist checks. Affects openclaw versions < 2026.5.19. Fixed in 2026.5.19. How to fix ↓
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Background
OpenClaw is an open-source messaging framework designed to facilitate secure communication between various applications. It allows developers to implement message delivery systems with a focus on trust and security. However, certain configurations of OpenClaw can expose it to vulnerabilities, particularly concerning message read actions that may bypass essential security checks.
Vulnerability Detail
The vulnerability identified as CVE-2026-53815 arises from the failure of message read actions to enforce channel allowlist checks. This flaw allows lower-trust callers to access messages from channels that they should not have permission to read. The implications of this vulnerability can lead to unauthorized access to sensitive information, depending on the operator's configuration and the extent to which lower-trust inputs can reach the affected message read action.
How To Fix
Latest published version: 2026.10.6 as of 22 Oct 2026
npm install openclaw@2026.10.6Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
2026.5.19
This is the first release that contains the fix.
npm install openclaw@2026.5.19Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, limit message read actions to trusted operators and maintain narrow channel allowlists. Additionally, avoid sharing a single Gateway between users of differing trust levels, and disable the affected feature when it is not necessary.
Conclusion
CVE-2026-53815 presents a significant security risk for OpenClaw users, allowing unauthorized access to messages. It is crucial to update to the patched version 2026.5.19 and implement recommended workarounds to mitigate potential risks. Regular monitoring with tools like Vulert can help maintain security.
See every vulnerability recorded for openclaw →
FAQ
CVE-2026-53815 is a vulnerability in OpenClaw that allows unauthorized message access due to bypassed channel allowlist checks.
You can check if your application is affected by using Vulert, which monitors vulnerabilities in your package-lock.json file. Visit Vulert Scanner for a quick assessment without signup.
The vulnerability can lead to unauthorized access to messages from channels that should be restricted, potentially exposing sensitive information.
If immediate updates are not possible, implement the suggested workarounds to limit access and mitigate risks until you can upgrade.
While the primary risk is unauthorized access, it is crucial to assess your application's configuration to determine if sensitive data could be exposed.
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