CVE-2026-87686: 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

Component: Not specified by the source

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

What an attacker can do

The attacker can bypass IP-filtering access control lists (ACLs) and obtain sensitive device metadata (such as model, serial number, hardware revision, and firmware version) without authentication. Vendor/CNA’s CVSS 4.0 assessment (base score 5.3/10) rates confidentiality impact as low; integrity and availability impact as none.