CVE-2026-85486 Code injection in Brocade Active Support Connectivity Gateway

High 8.6 Published 8 Oct 2026 Updated 8 Oct 2026

Authenticated users can execute arbitrary code on Brocade ASCG servers by submitting crafted form data before validation occurs.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-85486?

CVE-2026-85486 is a high-severity code injection 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

Brocade ASCG before 3.5.0 improperly processes user input by evaluating form data prior to validation. When an authenticated user submits a configuration form, the submitted text could immediately be processed. A malicious actor with basic access can supply crafted input to execute arbitrary code on the server and take control of the application.

Weakness: CWE-95

Which versions are affected by CVE-2026-85486?

It affects 1 product.

Products include Broadcom Brocade Active Support Connectivity Gateway.

How do I fix CVE-2026-85486?

No fix has been published for CVE-2026-85486 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-85486 being exploited?

There is no known exploitation of CVE-2026-85486 in the wild and no public exploit code.

Sources

Also known as GHSA-vq54-9wr8-28vj.