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CVE-2026-87663 Details

Description

An authentication bypass and command injection vulnerability exists in the inter-switch remote execution service of Brocade Fabric OS versions before 9.2.2d and 10.0.0 through 10.0.0a1. When processing remote command execution IPC frames across the fabric, the receiving switch processes these commands at an elevated processing level without proper verification of transmitted parameters. This allows an attacker on a single fabric-connected switch to escalate privileges and execute arbitrary root commands locally or across other managed fabric members where remote execution functionality is enabled.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.7 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://support.broadcom.com/external/content/SecurityAdvisories/0/39163	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-290	Authentication Bypass by Spoofing	[email protected]

Affected Products

Product	Versions
broadcom fabric operating system	< 9.2.2d >= 10.0.0, < 10.0.1
CPE cpe:2.3:o:broadcom:fabric_operating_system:::::::: Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Oct 14, 2026	Initial Analysis	[email protected]
Oct 9, 2026	CVE Modified	CISA-ADP
Oct 8, 2026	CVE Modified	CISA-ADP
Oct 8, 2026	New CVE Received	[email protected]