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CVE-2026-87659

Quick assessment

Affected
Brocade Fabric OS
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 Fabric OS 10.0.1 之前版本的管理服务器中，存在一个严重的授权绕过漏洞。与交换机Fabric相连的已被攻陷的交换机可以发送精心构造的带内光纤通道厂商特定CT（Common Transport）管理请求，从而绕过管理员身份验证。成功利用该漏洞后，未授权的对等交换机可以在目标设备上执行管理操作，包括重置管理员密码、启动系统重启以及触发固件下载。

CVSS 7.1 · High
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I. Basic Information for CVE-2026-87659

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A critical authorization bypass vulnerability exists in the Management Server handling of Brocade Fabric OS versions before 10.0.1. A compromised switch connected to the fabric can transmit crafted inband Fibre Channel vendor-unique CT (Common Transport) management requests to bypass administrative authentication. Successful exploitation allows an unauthorized peer switch to execute administrative actions on the target device, including resetting administrative passwords, initiating system reboots, and triggering firmware downloads.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Brocade Fabric OS 0 ~ 10.0.1 -

II. Public POCs for CVE-2026-87659

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III. Intelligence Information for CVE-2026-87659

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Other References for CVE-2026-87659 (1)

Same Patch Batch · Brocade · 2026-10-08 · 48 CVEs total

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-2026-87682 8.6 HIGH Brocade Fabric OS<10.0.1命令注入漏洞
CVE-2026-87683 8.6 HIGH Brocade Fabric OS堆缓冲区溢出漏洞
CVE-2026-87666 8.6 HIGH Brocade Fabric OS 9.2.2d/10.0.0a1 OS命令注入漏洞
CVE-2026-87679 8.5 HIGH Brocade Fabric OS<10.0.1堆溢出漏洞
CVE-2026-94586 8.5 HIGH Brocade Fabric OS命令注入漏洞（低于9.2.2d/10.0.0a1）
CVE-2026-94581 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-2026-87664 8.5 HIGH Brocade Fabric OS会话伪造漏洞
CVE-2026-87674 8.5 HIGH Brocade Fabric OS本地提权漏洞（9.2.2d/10.0.0）
CVE-2026-87688 8.5 HIGH Brocade Fabric OS远程命令执行漏洞
CVE-2026-87680 8.5 HIGH Brocade Fabric OS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-2026-87685 8.4 HIGH Brocade Fabric OS任意文件操纵漏洞
CVE-2026-87667 8.4 HIGH Brocade Fabric OS参数注入漏洞
CVE-2026-5047 8.2 HIGH Brocade SANnav日志信息泄露漏洞
CVE-2026-94585 7.7 HIGH Brocade Fabric OS MXG610认证绕过漏洞
CVE-2026-94578 7.5 HIGH Brocade Fabric OS授权逻辑漏洞
CVE-2026-94577 7.3 HIGH Brocade Fabric OS提权漏洞（<9.2.2d/10.0.0系列）
CVE-2026-87675 7.3 HIGH Brocade Fabric OS OS命令注入漏洞
CVE-2026-87663 7.1 HIGH Brocade Fabric OS权限绕过与命令注入漏洞

Showing top 20 of 48 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Fabric OS
Same vendor: Brocade
Same weakness: CWE-306

V. Comments for CVE-2026-87659

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