CVE-2026-73708 Fault in Business Logic allows Authenticated Sensitive Information Disclosure in HPE Networking Fabric Composer

High 8.3 Published Updated

An authenticated low-privilege user can exploit a business logic flaw to gain elevated privileges and modify unauthorized settings in HPE Fabric Composer.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-73708?

CVE-2026-73708 is a high-severity vulnerability in Arubanetworks Fabric Composer, published on 1 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A business logic vulnerability exists in the API of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to obtain elevated privileges and modify settings beyond what is authorized by the user's existing privilege level on a vulnerable system.

Weakness: CWE-863

Which versions are affected by CVE-2026-73708?

It affects 1 product.

Products include Arubanetworks Fabric Composer.

How do I fix CVE-2026-73708?

No fix has been published for CVE-2026-73708 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-73708 being exploited?

There is no known exploitation of CVE-2026-73708 in the wild and no public exploit code.

All Arubanetworks Fabric Composer vulnerabilities

Sources

Also known as GHSA-m9x5-92fc-wqf2.

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