CVE-2026-87673

OS Command Injection in Brocade Fabric OS Maintenance Utilities Allowing Root Privilege Escalation

Published Oct 8, 2026 CVSS 4.0 · 7 High EPSS 1.8% KEV · Not listed
Description
An OS command injection vulnerability exists in maintenance command-line diagnostic utilities on Brocade Fabric OS versions before 9.2.2d and 10.0.0 through 10.0.0a1. The binary fails to sanitize user-supplied input options when invoking underlying system commands through a shell interpreter. A privileged user with maintenance account access can exploit this issue by supplying crafted parameters, which results in arbitrary OS command execution with root privileges.

Remediation

Vendor Solution

Security update is provided in Brocade Fabric OS 9.2.2d and 10.0.1

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Broadcom
Broadcom fabric Operating System
CPEs cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*
Vendors & Products Broadcom
Broadcom fabric Operating System
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Brocade
Brocade fabric Os
Vendors & Products Brocade
Brocade fabric Os
Type Values Removed Values Added
Title OS Command Injection in Brocade Fabric OS Maintenance Utilities Allowing Root Privilege Escalation
Type Values Removed Values Added
Description An OS command injection vulnerability exists in maintenance command-line diagnostic utilities on Brocade Fabric OS versions before 9.2.2d and 10.0.0 through 10.0.0a1. The binary fails to sanitize user-supplied input options when invoking underlying system commands through a shell interpreter. A privileged user with maintenance account access can exploit this issue by supplying crafted parameters, which results in arbitrary OS command execution with root privileges.
Weaknesses CWE-78
References
Metrics cvssV4_0

{'score': 7, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
brocade
Published
Updated
Oct 9, 2026, 3:55 AM
Reserved
Sep 8, 2026, 10:51 PM
Status
Analyzed
Published
Oct 8, 2026, 4:17 AM
Modified
Oct 14, 2026, 7:12 PM