CVE-2026-73710 Unauthenticated Denial of Service Vulnerabilities in API Endpoint of HPE Networking Fabric Composer

High 8.2 Published 1 Sep 2026 Updated 2 Sep 2026

Unauthenticated remote attackers can cause denial of service and modify the underlying OS in HPE Networking Fabric Composer.

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-2026-73710?

CVE-2026-73710 is a high-severity denial of service vulnerability in Arubanetworks Fabric Composer, published on 1 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerabilities in an API endpoint of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to conduct a denial of service attack. Successful exploitation could allow an attacker to make limited unauthorized modifications to the underlying operating system and disrupt the availability of the affected system, requiring manual intervention to restore functionality.

Weakness: CWE-306

Which versions are affected by CVE-2026-73710?

It affects 1 product.

Products include Arubanetworks Fabric Composer.

How do I fix CVE-2026-73710?

No fix has been published for CVE-2026-73710 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-2026-73710 being exploited?

There is no known exploitation of CVE-2026-73710 in the wild and no public exploit code.

All Arubanetworks Fabric Composer vulnerabilities

Sources

Also known as GHSA-3mwv-2gpx-w3rp.