CVE-2026-29613
Authentication Bypass in OpenClaw BlueBubbles Webhook Enables Remote Injection
Publication date: 2026-03-05
Last updated on: 2026-03-11
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| openclaw | openclaw | to 2026.2.12 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-306 | The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
OpenClaw versions prior to 2026.2.12 have a vulnerability in the BlueBubbles optional plugin webhook handler. This vulnerability arises because the handler authenticates requests solely based on the loopback remoteAddress without validating forwarding headers. As a result, when the gateway is behind a reverse proxy, an unauthenticated remote attacker can bypass the configured webhook passwords.
This allows the attacker to inject arbitrary BlueBubbles message and reaction events by reaching the proxy endpoint.
How can this vulnerability impact me? :
This vulnerability can allow unauthenticated remote attackers to inject arbitrary messages and reaction events into the BlueBubbles system. This means attackers can impersonate legitimate users or manipulate message content without authorization.
Such unauthorized injections can lead to misinformation, disruption of communication, and potential trust issues within the affected environment.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know