CVE-2026-87426

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.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://support.broadcom.com/external/content/SecurityAdvisories/0/38393	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:broadcom:brocade_active_support_connectivity_gateway:*:*:*:*:*:*:*:*

History

14 Oct 2026, 18:50

Type	Values Removed	Values Added
References	~~() https://support.broadcom.com/external/content/SecurityAdvisories/0/38393 -~~	() https://support.broadcom.com/external/content/SecurityAdvisories/0/38393 - Vendor Advisory
First Time		Broadcom brocade Active Support Connectivity Gateway Broadcom
CPE		cpe:2.3:a:broadcom:brocade_active_support_connectivity_gateway::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 4.3

08 Oct 2026, 07:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-08 07:16

Updated : 2026-10-14 18:50

NVD link : CVE-2026-87426

Mitre link : CVE-2026-87426

CVE.ORG link : CVE-2026-87426

JSON object : View

Products Affected

broadcom

brocade_active_support_connectivity_gateway

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

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