CVE-2026-73719 Authenticated Arbitrary File Write Vulnerability leads to Remote Code Execution in HPE Networking Fabric Composer

High 7.2 Published 1 Sep 2026 Updated 2 Sep 2026

Authenticated administrators can write arbitrary files to escalate privileges and execute system commands with root access on HPE Fabric Composer.

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

What is CVE-2026-73719?

CVE-2026-73719 is a high-severity path traversal vulnerability in Arubanetworks Fabric Composer, published on 1 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

An arbitrary file write vulnerability exists in the API of HPE Networking Fabric Composer and could allow an authenticated administrative user to escalate privileges. Successful exploitation of this vulnerability may enable the attacker to execute arbitrary system commands with root privileges on the underlying operating system.

Weakness: CWE-73

Which versions are affected by CVE-2026-73719?

It affects 1 product.

Products include Arubanetworks Fabric Composer.

How do I fix CVE-2026-73719?

No fix has been published for CVE-2026-73719 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-73719 being exploited?

There is no known exploitation of CVE-2026-73719 in the wild and no public exploit code.

All Arubanetworks Fabric Composer vulnerabilities

Sources

Also known as GHSA-hj75-w2fc-hrqq.