Command Injection Vulnerabilities in Brocade Fabric OS Management Interface and Authentication Workflows
39076
06 October 2026
06 October 2026
CLOSED
HIGH
8.6 - CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVE-2026-87682
|
Brocade Security Advisory ID |
BSA-2026-3961 |
|
Component |
Fabric OS Common Access Layer |
|
CWE |
CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') |
|
|
|
Summary:
Multiple OS Command Injection vulnerabilities exist in the management interface and session processing routines of Brocade Fabric OS versions before 10.0.1. Input processing flaws during remote management connection validation and session verification for directory-based user accounts allow untrusted input containing shell metacharacters to reach internal system execution wrappers. An authenticated user or a compromised directory service account can exploit these vulnerabilities to execute arbitrary operating system commands with elevated privileges on the target device.
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
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.