Improper Authentication in VMware Avi Load Balancer - CVE-2026-47866

 

Improper Authentication in VMware Avi Load Balancer - CVE-2026-47866

Published: July 14, 2026


Vulnerability identifier: #VU137516
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-47866
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to bypass authentication and access a limited subset of the Avi Control Plane.

The vulnerability exists due to improper authentication in the authentication mechanism when handling network requests to the Avi Control Plane. A remote user can send crafted requests to bypass authentication and access a limited subset of the Avi Control Plane.


Affected software

VMware Avi Load Balancer

How to mitigate CVE-2026-47866

Install security update from vendor's website.

VMware Avi Load Balancer - addressed in versions 30.2.7, 31.2.2-2-p3, 32.1.2

External References

Related Security Bulletins