What is CVE-2026-47866?

CVE-2026-47866 is a high-severity vulnerability in Broadcom VMware Avi Load Balancer, classified under Incorrect Authorization. CVSS score: 8.3/10. Published 2026-07-18.

How severe is CVE-2026-47866?

High severity. CVSS v3 base score is 8.3 out of 10.

Auth bypass in Broadcom VMware Avi Load Balancer

CVE-2026-47866

VMware Avi Load Balancer contains an authorization bypass vulnerability. A malicious actor on the network can access a limited subset of the Avi Control Plane without proper authorization. Affected versions: 32.1.1 (fixed in 32.1.2) 31.1.1 through 31.2.2 (fixed in 31.2.2-2p3) 30.1.1 through 30.2.6 (fixed in 30.2.7) 22.1.1 through 22.1.7 (fixed in 30.2.7)

Vulnerability class: Broken Access Control

EPSS: 0.004 (30.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.

Affected products

Broadcom Vmware_avi_load_balancer — versions 31.2.2, 32.1.1
Vmware Avi Load Balancer — versions 32.1.1, 31.1.1, 30.1.1

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

security@vmware.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-47866?: CVE-2026-47866 is a high-severity vulnerability in Broadcom VMware Avi Load Balancer, classified under Incorrect Authorization. CVSS score: 8.3/10. Published 2026-07-18.
How severe is CVE-2026-47866?: High severity. CVSS v3 base score is 8.3 out of 10.