CVE-2026-87426

Medium

Description

An unauthenticated network-based attacker can query specific internal management endpoints on Brocade ASCG versions before 3.5.0 to enumerate the configuration details and state of managed Brocade Fabric OS (FOS) switches. This results in the unauthorized disclosure of the customer's SAN fabric management topology and switch connectivity attributes.

SeverityMedium
CVSS4.3
Exploit probability—
ProductBroadcom Brocade Active Support Connectivity Gateway
PublishedOct 8, 2026
First seenOct 8, 2026

How to fix

Update
  • broadcom brocade_active_support_connectivity_gateway3.5.0 or later

Affected products

ProductAffected versionsFixed in
broadcom brocade_active_support_connectivity_gatewayv < 3.5.03.5.0

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