Missing Authentication for Critical Function in OpenClaw - CVE-2026-29613
Published: May 4, 2026
Vulnerability identifier: #VU129471
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-29613
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenClaw
Affected software:
OpenClaw
OpenClaw
Detailed vulnerability description
The vulnerability allows a remote attacker to inject arbitrary inbound BlueBubbles message and reaction events.
The vulnerability exists due to missing authentication for the BlueBubbles webhook handler when handling webhook requests through a reverse proxy. A remote attacker can send a specially crafted HTTP POST request to inject arbitrary inbound BlueBubbles message and reaction events.
Only deployments with the optional BlueBubbles channel plugin enabled and the BlueBubbles webhook endpoint exposed through a reverse proxy are affected.
How to mitigate CVE-2026-29613
Install security update from vendor's website.