CVE-2026-47866: VMware Avi Load Balancer Authorization Bypass Vulnerability

Published Jul 18, 2026
·
Updated

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)

Affected Software

4 affected components
VMware Avi Load Balancer>=32.1.1<=32.1.1
VMware Avi Load Balancer>=31.1.1<=31.2.2
VMware Avi Load Balancer>=30.1.1<=30.2.6
VMware Avi Load Balancer>=22.1.1<=22.1.7

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade VMware Avi Load Balancer to a version that resolves this vulnerability.

    Fixed in 30.2.7
  2. Upgrade

    Upgrade VMware Avi Load Balancer to a version that resolves this vulnerability.

    Fixed in 31.2.2-2p3
  3. Upgrade

    Upgrade VMware Avi Load Balancer to a version that resolves this vulnerability.

    Fixed in 32.1.2

Event History

Jul 18, 2026
CVE Published
via MITRE·08:57 AM
Data Sourced
via MITRE·08:57 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:17 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-47866?

The severity of CVE-2026-47866 is high with a score of 8.3.

2

How do I fix CVE-2026-47866?

You can fix CVE-2026-47866 by upgrading to VMware Avi Load Balancer version 32.1.2 or 31.2.2-2p3.

3

What is the impact of CVE-2026-47866?

CVE-2026-47866 allows a malicious actor on the network to access parts of the Avi Control Plane without proper authorization.

4

Which versions of VMware Avi Load Balancer are affected by CVE-2026-47866?

Affected versions include 32.1.1, 31.1.1 through 31.2.2, and 30.1.1 through 30.2.6.

5

What type of vulnerability is CVE-2026-47866?

CVE-2026-47866 is classified as an authorization bypass vulnerability.

Contact

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