Command Injection vulnerability exists in Brocade Fabric OS REST API management interface

Brocade Directors

5 more products

39074

06 October 2026

06 October 2026

CLOSED

HIGH

8.5 - CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

CVE-2026-87680

Brocade Security Advisory ID

BSA-2026-3961

Component

Fabric OS REST API

CWE

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

 

 

Summary:

A command injection vulnerability in the REST API management interface of Brocade Fabric OS versions before 10.0.1 allows an authenticated user to execute arbitrary system commands via crafted input parameters.

 

Products Affected

  • Brocade Fabric OS versions before 10.0.1

Products Not Affected

  • Brocade SANnav is not affected by this vulnerability
    [VEX Justification: Component_not_present]
  • Brocade ASCG is not affected by this vulnerability
    [VEX Justification: Component_not_present]

 

Solution

  • A security update is provided in Brocade Fabric OS 10.0.1

Note: This is a Frontier AI discovered vulnerability.

 

Revision History

Version

Change

Date

1.0

Initial Publication

October 6, 2026

 

Disclaimer

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