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 v4.0: 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/E:U/U:Green
CVE-ID: CVE-2026-47866
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: VMware, Inc
Affected software:
VMware Avi Load Balancer

Detailed vulnerability description

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.


How to mitigate CVE-2026-47866

Install security update from vendor's website.

Sources