CVE-2026-87670: Fabric OS 0 to before 10.0.1

Affected technology

Fabric OS · 0 to before 10.0.1
Brocade

Description’s affected range: versions before 10.0.1 REST API gateway

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Adjacent network · Low privileges required · No user interaction required

What an attacker can do

An authenticated user with any valid REST session can spoof these headers to gain unauthorized access to internal management endpoints. Vendor/CNA’s CVSS 4.0 assessment (base score 5.1/10) rates confidentiality impact as low; integrity and availability impact as none.