CVE-2026-87424
Received Received - Intake

Authentication Bypass in Brocade ASCG via Hardcoded Key

Publication date: 2026-10-08

Last updated on: 2026-10-08

Assigner: Brocade Communications Systems, LLC

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.

CVSS Scores

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Meta Information

Published
2026-10-08
Last Modified
2026-10-08
Generated
2026-10-08
AI Q&A
2026-10-08
EPSS Evaluated
N/A
NVD
CVE-2026-87424
EUVD
EUVD-2026-94795

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Brocade Brocade Active Support Connectivity Gateway 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-321 The product uses a hard-coded, unchangeable cryptographic key.

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Executive Summary

This vulnerability is an authentication bypass flaw in the SupportLink API of Brocade ASCG versions before 3.5.0. It occurs because the system uses a hard-coded cryptographic key, allowing attackers to bypass authentication across different deployments.

Impact Analysis

An attacker could exploit this to gain unauthorized access to the Brocade ASCG system, potentially leading to data breaches, unauthorized modifications, or disruption of services. The high CVSS score indicates significant risk.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating GDPR and HIPAA requirements for data protection and access control. Organizations using affected versions may face compliance violations and penalties.

Mitigation Strategies

Update Brocade ASCG to version 3.5.0 or later to address the hard coded cryptographic key issue. Review authentication mechanisms and ensure no unauthorized access is possible due to the vulnerability.

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