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CVE-2026-87428

Quick assessment

Affected
Brocade Brocade Active Support Connectivity Gateway
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.

在 Brocade ASCG 版本低于 3.5.0 的情况下，ASCG 虚拟机中具备本地未授权访问权限的用户，若能向 SANnav 主机网络命名空间发起请求，即可提取已接入的 SANnav 实例中存储的管理凭据，从而导致受连接的 Brocade SANnav 服务器或受管理的 Brocade 光纤通道交换机受到破坏。

CVSS 8.4 · High
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I. Basic Information for CVE-2026-87428

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Brocade ASCG before 3.5.0, a  local unauthorized user on the ASCG VM who can issue a request to the SANnav host network namespace can extract stored management credentials for onboarded SANnav instances and compromise connected Brocade SANnav servers or managed Brocade Fibre Channel switches.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的凭证保护机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Brocade Brocade Active Support Connectivity Gateway 0 ~ 3.5.0 -

II. Public POCs for CVE-2026-87428

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III. Intelligence Information for CVE-2026-87428

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Vendor Advisories for CVE-2026-87428 (1)

Same Patch Batch · Brocade · 2026-10-08 · 61 CVEs total

CVE-2026-85421 8.7 HIGH Brocade ASCG <3.5.0 身份验证绕过导致远程代码执行
CVE-2026-85489 8.7 HIGH Brocade ASCG<3.5.0 认证绕过漏洞
CVE-2026-87684 8.7 HIGH Brocade Fabric<10.0.1 SNMP守护进程栈缓冲区溢出漏洞
CVE-2026-87666 8.6 HIGH Brocade Fabric OS 9.2.2d/10.0.0a1 OS命令注入漏洞
CVE-2026-85486 8.6 HIGH Brocade ASCG <3.5.0 任意代码执行漏洞
CVE-2026-85423 8.6 HIGH Brocade ASCG 3.5.0前未授权命令执行漏洞
CVE-2026-85487 8.6 HIGH Brocade ASCG<3.5.0路径穿越致任意文件操作
CVE-2026-87424 8.6 HIGH Brocade ASCG<3.5.0认证绕过漏洞
CVE-2026-87683 8.6 HIGH Brocade Fabric OS堆缓冲区溢出漏洞
CVE-2026-87682 8.6 HIGH Brocade Fabric OS<10.0.1命令注入漏洞
CVE-2026-87687 8.5 HIGH Brocade Fabric OS 垂直提权与越权漏洞
CVE-2026-94586 8.5 HIGH Brocade Fabric OS命令注入漏洞（低于9.2.2d/10.0.0a1）
CVE-2026-87688 8.5 HIGH Brocade Fabric OS远程命令执行漏洞
CVE-2026-94581 8.5 HIGH Brocade Fabric OS 9.2.2d前及10.0.0-10.0.0a1远程命令注入漏洞
CVE-2026-87674 8.5 HIGH Brocade Fabric OS本地提权漏洞（9.2.2d/10.0.0）
CVE-2026-87679 8.5 HIGH Brocade Fabric OS<10.0.1堆溢出漏洞
CVE-2026-87664 8.5 HIGH Brocade Fabric OS会话伪造漏洞
CVE-2026-87680 8.5 HIGH Brocade Fabric OS命令注入漏洞
CVE-2026-85422 8.4 HIGH Brocade ASCG <3.5.0 硬编码密钥漏洞
CVE-2026-87685 8.4 HIGH Brocade Fabric OS任意文件操纵漏洞

Showing top 20 of 61 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Brocade Active Support Connectivity Gateway
Same vendor: Brocade
Same weakness: CWE-522

V. Comments for CVE-2026-87428

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