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CVE-2026-85489 Missing authorization in Brocade Active Support Connectivity Gateway

High 8.7 Published Updated

Unauthenticated attackers can access sensitive configuration data and modify device inventories via direct API requests in Brocade ASCG.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-85489?

CVE-2026-85489 is a high-severity missing authorization vulnerability in Brocade Active Support Connectivity Gateway, published on 8 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An authentication flaw exists in the Brocade ASCG administrative management service component. An unauthenticated network user can issue direct API requests to perform privileged actions, including accessing sensitive system configuration mapping data, modifying managed device inventories, and altering operational settings. This vulnerability affects all versions of Brocade ASCG before 3.5.0.

Weakness: CWE-306

Which versions are affected by CVE-2026-85489?

It affects 1 product.

Products include Broadcom Brocade Active Support Connectivity Gateway.

How do I fix CVE-2026-85489?

No fix has been published for CVE-2026-85489 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-85489 being exploited?

There is no known exploitation of CVE-2026-85489 in the wild and no public exploit code.

Sources

Also known as GHSA-548v-qvj9-7pvf.

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