CVE-2026-85423 A vulnerability has been identified in the data collection service of Brocade ASCG versions before 3.5.0.

What is CVE-2026-85423?

CVE-2026-85423 is a high-severity vulnerability in Brocade Active Support Connectivity Gateway, published on 8 Oct 2026.

Official description

A vulnerability has been identified in the data collection service of Brocade ASCG versions before 3.5.0. An API endpoint within the data collector service fails to perform authentication or authorization checks on incoming requests. An attacker with network access to the service can instruct the application to establish SSH connections to arbitrary hosts and execute arbitrary system commands, effectively turning the appliance into an unauthenticated proxy or execution vector.

Weakness: CWE-306

Which versions are affected by CVE-2026-85423?

It affects 1 product.

Products include Broadcom Brocade Active Support Connectivity Gateway.

How do I fix CVE-2026-85423?

No fix has been published for CVE-2026-85423 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-85423 being exploited?

There is no known exploitation of CVE-2026-85423 in the wild and no public exploit code.

Other vulnerabilities in Brocade Active Support Connectivity Gateway

• CVE-2026-85421 Missing authorization in Brocade Active Support Connectivity Gateway High 8.7
• CVE-2026-85489 Missing authorization in Brocade Active Support Connectivity Gateway High 8.7
• CVE-2026-85486 Code injection in Brocade Active Support Connectivity Gateway High 8.6
• CVE-2026-85487 Path traversal in Brocade Active Support Connectivity Gateway High 8.6
• CVE-2026-87424 A vulnerability in the SupportLink API authentication component of Brocade ASCG versions prior to 3.5.0 allows an attacker to bypass authent High 8.6

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-qrmf-pmg6-m84c.