CVE-2026-94579 Command injection in Fabric OS
Authenticated users with shell metacharacters in their username can execute arbitrary commands as root during SSH session termination on Brocade Fabric OS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-94579?
CVE-2026-94579 is a medium-severity command injection vulnerability in Broadcom Fabric Operating System, published on 8 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
An OS command injection vulnerability exists in the PAM (Pluggable Authentication Module) session cleanup routines during SSH session termination on Brocade Fabric OS versions before 9.2.2d and 10.0.0 through 10.0.0a1. An authenticated user authenticating via an external directory or AAA service whose username or profile identifier contains shell metacharacters can trigger arbitrary command execution with root privileges when their remote SSH session closes.
Weakness: CWE-78
Which versions are affected by CVE-2026-94579?
It affects 1 product.
Products include Broadcom Fabric Operating System.
How do I fix CVE-2026-94579?
No fix has been published for CVE-2026-94579 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-94579 being exploited?
There is no known exploitation of CVE-2026-94579 in the wild and no public exploit code.
Other vulnerabilities in Broadcom Fabric Operating System
Sources
Also known as GHSA-rcgg-cjm3-3p46.