CVE-2026-0869 Application User custom defined accounts are not properly password protected in Brocade ASCG 3.4.0

High 8.3 Published 3 Mar 2026 Updated 4 Mar 2026

An attacker can bypass authentication to perform unauthorized operations or disable critical services on Brocade ASCG devices.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-0869?

CVE-2026-0869 is a high-severity authentication bypass vulnerability in Brocade ASCG, published on 3 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Authentication bypass in Brocade ASCG 3.4.0 Could allow an unauthorized user to perform ASCG operations related to Brocade Support Link(BSL) and streaming configuration. and could even disable the ASCG application or disable use of BSL data collection on Brocade switches within the fabric.

Weakness: CWE-305

Which versions are affected by CVE-2026-0869?

It affects 1 product.

Products include Broadcom Brocade Active Support Connectivity Gateway.

How do I fix CVE-2026-0869?

No fix has been published for CVE-2026-0869 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-0869 being exploited?

There is no known exploitation of CVE-2026-0869 in the wild and no public exploit code.

Sources

Also known as GHSA-hg48-698q-829j.