CVE-2026-87670

An authorization logic vulnerability exists in the Brocade Fabric OS versions before 10.0.1 REST API gateway. The internal gate guarding restricted management endpoints relies exclusively on client-controlled HTTP headers. An authenticated user with any valid REST session can spoof these headers to gain unauthorized access to internal management endpoints. This allows low-privilege users to view sensitive chassis metadata, hardware memory patrolling state, and firmware integrity audit logs.

• CWE-290

• https://support.broadcom.com/external/content/SecurityAdvisories/0/39140Vendor Advisory

Published

Oct 8, 2026

Last Modified

Oct 13, 2026

Status

Analyzed

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