CVE-2026-73744 Authenticated Denial of Service Vulnerability in HPE Networking Fabric Composer Web-Based Management Interface

Low 3.5 Published 1 Sep 2026 Updated 1 Sep 2026

An authenticated low-privilege user can disrupt the availability of the HPE Networking Fabric Composer web management interface.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-73744?

CVE-2026-73744 is a low-severity denial of service vulnerability in Arubanetworks Fabric Composer, published on 1 Sep 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A denial-of-service vulnerability exists in the web-based management interface of HPE Networking Fabric Composer that could allow an authenticated low privilege operator user to cause a denial of service. Successful exploitation could allow an attacker to disrupt the availability of the affected interface.

Weakness: CWE-400

Which versions are affected by CVE-2026-73744?

It affects 1 product.

Products include Arubanetworks Fabric Composer.

How do I fix CVE-2026-73744?

No fix has been published for CVE-2026-73744 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-73744 being exploited?

There is no known exploitation of CVE-2026-73744 in the wild and no public exploit code.

All Arubanetworks Fabric Composer vulnerabilities

Sources

Also known as GHSA-88q4-f45q-2j8w.