CVE-2026-87426

MEDIUM CVSS 4.0: 5.3 EPSS 0.15%
Updated Oct 14, 2026
Broadcom
Parameter Value
CVSS 5.3 (MEDIUM)
Affected Versions before 3.5.0
Fixed In 3.5.0
Type CWE-200 (Information Exposure)
Vendor Broadcom
Public PoC No

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.

Attack Parameters

Attack Vector
Adjacent
Requires local network access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Broadcom Brocade_Active_Support_Connectivity_Gateway
cpe:2.3:a:broadcom:brocade_active_support_connectivity_gateway:*:*:*:*:*:*:*:*
— 3.5.0