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—
Product
Broadcom Brocade Active Support Connectivity Gateway
PublishedOct 8, 2026
First seenOct 8, 2026
Weakness typeCWE-200Sensitive information exposure
How to fix
Update
- broadcom brocade_active_support_connectivity_gateway3.5.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| broadcom brocade_active_support_connectivity_gateway | v < 3.5.0 | 3.5.0 |
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