Brocade Fabric OS path traversal with USB management privileges (CVE-2026-94580)

Brocade Directors

5 more products

39143

06 October 2026

06 October 2026

OPEN

MEDIUM

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

CVE-2026-94580

Brocade Security Advisory ID

BSA-2026-3961

Component

Fabric OS Rest API

CWE

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

 

 

Summary:

An arbitrary file and directory deletion vulnerability exists in the REST API management interface handling USB storage operations on Brocade Fabric OS versions before 10.0.1. An authenticated user possessing USB management privileges can manipulate requested target paths to delete arbitrary files or directories on the switch's local root filesystem, bypassing intended USB mount point boundaries.

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

10/06/2026

 

Disclaimer

THIS DOCUMENT IS PROVIDED ON AN AS-IS BASIS SOLELY FOR INFORMATIONAL PURPOSES AND DOES NOT IMPLY ANY KIND OF GUARANTY OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. YOUR USE OF THE INFORMATION CONTAINED HEREIN IS AT YOUR OWN RISK. ALL INFORMATION PROVIDED HEREIN IS BASED ON BROCADE'S CURRENT KNOWLEDGE AND UNDERSTANDING OF THE VULNERABILITY AND IMPACT TO BROCADE HARDWARE AND SOFTWARE PRODUCTS. BROCADE RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.