CVE-2026-87424

High

Description

A vulnerability in the SupportLink API authentication component of Brocade ASCG versions prior to 3.5.0 allows an attacker to bypass authentication across deployments due to the use of a hard coded cryptographic key.

SeverityHigh
CVSS8.8
Exploit probability—
ProductBroadcom Brocade Active Support Connectivity Gateway
PublishedOct 8, 2026
First seenOct 8, 2026
Weakness typeCWE-321CWE-321

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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