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

Quick assessment

Affected
VMware Avi Load Balancer
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

VMware Avi Load Balancer是美国VMware公司的一款负载均衡软件。 VMware Avi Load Balancer 32.1.1版本、31.1.1版本至31.2.2版本、30.1.1版本至30.2.6版本和22.1.1版本至22.1.7版本存在授权问题漏洞，该漏洞源于授权绕过问题，可能导致网络上的恶意行为者在未授权的情况下访问Avi Control Plane的有限子集。

CVSS 8.3 · High EPSS 0.38% · P30

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 4

VendorProduct Version RangeStatus
VMware Avi Load Balancer 32.1.1 affected
31.1.1≤ 31.2.2 affected
30.1.1≤ 30.2.6 affected
22.1.1≤ 22.1.7 affected
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I. Basic Information for CVE-2026-47866

Vulnerability Information
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Vulnerability Title
VMware Avi Load Balancer Authorization Bypass Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
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)
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
VMware Avi Load Balancer 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
VMware Avi Load Balancer是美国VMware公司的一款负载均衡软件。 VMware Avi Load Balancer 32.1.1版本、31.1.1版本至31.2.2版本、30.1.1版本至30.2.6版本和22.1.1版本至22.1.7版本存在授权问题漏洞，该漏洞源于授权绕过问题，可能导致网络上的恶意行为者在未授权的情况下访问Avi Control Plane的有限子集。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
VMware Avi Load Balancer 32.1.1 -

II. Public POCs for CVE-2026-47866

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III. Intelligence Information for CVE-2026-47866

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Other References for CVE-2026-47866 (1)

Same Patch Batch · VMware · 2026-07-18 · 7 CVEs total

CVE-2026-47865 9.8 CRITICAL VMware Avi Load Balancer Authentication Bypass Vulnerability
CVE-2026-47871 8.8 HIGH VMware Avi Load Balancer Directory Traversal Vulnerability
CVE-2026-47869 8.7 HIGH VMware Avi Load Balancer Remote Code Execution Vulnerability
CVE-2026-47867 8.7 HIGH VMware Avi Load Balancer Remote Code Execution Vulnerability
CVE-2026-47868 7.8 HIGH VMware Avi Load Balancer Local Privilege Escalation Vulnerability
CVE-2026-47870 7.1 HIGH VMware Avi Load Balancer Privilege Escalation Vulnerability

IV. Related Vulnerabilities

Same product: Avi Load Balancer
Same vendor: VMware
Same weakness: CWE-863

V. Comments for CVE-2026-47866

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