A vulnerability in the SupportLink API authentication component of Brocade ASCG versions prior to 3.5.0 allows an attacker to bypass authentication… (CVE-2026-87424)
Description
A vulnerability in the SupportLink API authentication component of Brocade ASCG versions prior to 3.5.0 allows attackers to bypass authentication due to a hard coded cryptographic key. This flaw affects all deployments using vulnerable versions and can lead to full compromise of confidentiality, integrity, and availability. The vulnerability has a high severity with a CVSS score of 8.8.
CVSS v3.1
Score 8.8high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The SupportLink API authentication component in Brocade ASCG versions prior to 3.5.0 contains a hard coded cryptographic key, enabling an attacker to bypass authentication across deployments. This vulnerability is identified as CVE-2026-87424 and is classified under CWE-321 (Use of Hard-coded Cryptographic Key). The CVSS v3.1 base score is 8.8, reflecting high impact on confidentiality, integrity, and availability with low attack complexity and no required privileges or user interaction.
Potential Impact
Successful exploitation allows an attacker to bypass authentication controls, potentially gaining unauthorized access to the system. This can lead to full compromise of the affected system's confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-3fcc-27mp-9h8c
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-87424"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad008992cdf04f656b90d3c
Added to database: 10/14/2026, 22:56:25 UTC
Last enriched: 10/14/2026, 23:01:01 UTC
Last updated: 10/15/2026, 02:48:08 UTC
Views: 5
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