# CVE-2026-47866: VMware Avi Load Balancer authorization bypass in Avi Control Plane

Source: https://junglewise.ai/threats/cve-2026-47866-vmware-avi-load-balancer-authorization-bypass-in-avi-control  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-18. Updated: 2026-07-18  
License: CC BY 4.0 with a link back

CVE-2026-47866 · Severity: high · CVSS 8.3 · Published 2026-07-18

VMware Avi Load Balancer is a software-defined application delivery controller used to manage network traffic and ensure application availability. A security flaw allows an attacker with network access to bypass authorization checks and access sensitive parts of the management interface. This could lead to unauthorized configuration changes or exposure of internal operational data.

Technologies: [VMware Avi Load Balancer](https://junglewise.ai/threats/technologies/avi-load-balancer). Vendors: [VMware](https://junglewise.ai/threats/vendors/vmware).

## Quick answers

**Is CVE-2026-47866 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-47866 being exploited in the wild.

**How severe is CVE-2026-47866?** High severity, with a CVSS score of 8.3, published 18 July 2026.

**Which products and versions are affected?** VMware Avi Load Balancer 32.1.1, 31.1.1 - 31.2.2, 30.1.1 - 30.2.6, 22.1.1 - 22.1.7.

**Is there a fix for CVE-2026-47866?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-47866 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-47866?** Check whether you run VMware Avi Load Balancer at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is classified as an incorrect authorization (CWE-863) within the Avi Control Plane component of VMware Avi Load Balancer. An attacker with network access and low-level privileges (PR:L) can bypass intended access controls to interact with a subset of the management interface. This could allow for unauthorized data retrieval or modification of specific control plane functions. The issue affects multiple major version branches and has been addressed in versions 32.1.2, 31.2.2-2p3, and 30.2.7.

## Affected products

- VMware Avi Load Balancer 32.1.1, 31.1.1 - 31.2.2, 30.1.1 - 30.2.6, 22.1.1 - 22.1.7

## Timeline

- 2026-07-14: advisory: Initial publication by Broadcom/VMware (VMSA-2026-0005)
- 2026-07-18: disclosed: NVD publication date

## References

- [https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/37926](https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/37926)

## Related threats

- [VMware Avi Load Balancer directory traversal](https://junglewise.ai/threats/cve-2026-47871-vmware-avi-load-balancer-directory-traversal)
- [VMware Avi Load Balancer privilege escalation in Avi Control Plane](https://junglewise.ai/threats/cve-2026-47870-vmware-avi-load-balancer-privilege-escalation-in-avi-control)
- [VMware Avi Load Balancer code injection in Avi Control Plane](https://junglewise.ai/threats/cve-2026-47869-vmware-avi-load-balancer-code-injection-in-avi-control-plane)
- [VMware Avi Load Balancer local privilege escalation](https://junglewise.ai/threats/cve-2026-47868-vmware-avi-load-balancer-local-privilege-escalation)
- [VMware Avi Load Balancer remote code execution in Control Plane](https://junglewise.ai/threats/cve-2026-47867-vmware-avi-load-balancer-remote-code-execution-in-control-plane)