Information disclosure in RabbitMQ Server - #VU150999
Published: September 18, 2026
Vulnerability identifier: #VU150999
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose virtual-host existence.
The vulnerability exists due to improper access control in the Stream consumer management endpoint when handling GET requests for a virtual host. A remote user can submit a request containing a target virtual-host name to disclose virtual-host existence.
Exploitation requires the Management, Stream, and Stream Management plugins to be enabled.
Affected software
RabbitMQ Server
Remediation
Install security update from vendor's website.
RabbitMQ Server - addressed in versions 4.2.11, 4.3.6