Is this vulnerability remotely exploitable over the internet?

Yes, if the reverse proxy exposes the BlueBubbles webhook path (or a route that forwards to it) to external networks. In that scenario, an unauthenticated remote attacker can send requests through the proxy that the application incorrectly treats as trusted.

Does an attacker need valid credentials or the webhook password to exploit this?

No. The flaw stems from the webhook handler trusting requests based on their apparent loopback origin and bypassing password checks under certain conditions. When behind a proxy, an attacker does not need to know the configured webhook password.

What is the safest general fix pattern for developers?

Enforce explicit authentication on all webhook requests, independent of network location. Use a robust mechanism such as shared secrets, HMAC signatures, or bearer tokens and validate them on every request, while treating IP-based checks only as an additional hardening layer, not the primary control.

Severity:

HIGH RISK

(7.5)

Missing Authentication (CWE-306) in OpenClaw BlueBubbles Webhook Handler Behind Proxies

CVE-2026-29613

Published:

Mar 5, 2026

Status:

Received

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-78

CRITICAL RISK

CRITICAL

(9.9)

Command Injection in MCP Stdio Configuration Validation (CWE-78) in WeKnora

Remote Code Execution

March 7, 2026

CWE-89

CRITICAL RISK

CRITICAL

(9.9)

SQL Injection via PostgreSQL Array/Row Expressions (CWE-89) in WeKnora Query Engine

Remote Code Execution via SQL Injection on the Database Server

March 7, 2026

Vulnerability Type

Category:

Missing Authentication

CWE:

CWE-306

Impact:

Authentication Bypass for Webhook Event Injection

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

Vulnerability Type

Category:

Missing Authentication

CWE:

CWE-306

Impact:

Authentication Bypass for Webhook Event Injection

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

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355 Bryant St. San Francisco, CA 94107, USA

Ask AI for summary of CodeAnt

Missing Authentication (CWE-306) in OpenClaw BlueBubbles Webhook Handler Behind Proxies

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

CRITICAL RISK

CRITICAL

(9.9)

Command Injection in MCP Stdio Configuration Validation (CWE-78) in WeKnora

CRITICAL RISK

CRITICAL

(9.9)

SQL Injection via PostgreSQL Array/Row Expressions (CWE-89) in WeKnora Query Engine

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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