CVE-2026-73729 Authenticated Sensitive Information Disclosure in HPE Networking Fabric Composer

Medium 6.5 Published Updated

Authenticated low-privilege users can view sensitive information beyond their authorization, potentially leading to further unauthorized access.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-73729?

CVE-2026-73729 is a medium-severity vulnerability in Arubanetworks Fabric Composer, published on 1 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in the underlying operating system of HPE Networking Fabric Composer could allow an authenticated low privilege operator user with local access to upstream AFC dependencies to view sensitive information. Successful exploitation could allow an attacker to access data beyond what is authorized by the user's existing privilege level, potentially leading to further unauthorized access.

Weakness: CWE-269

Which versions are affected by CVE-2026-73729?

It affects 1 product.

Products include Arubanetworks Fabric Composer.

How do I fix CVE-2026-73729?

No fix has been published for CVE-2026-73729 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-73729 being exploited?

There is no known exploitation of CVE-2026-73729 in the wild and no public exploit code.

All Arubanetworks Fabric Composer vulnerabilities

Sources

Also known as GHSA-vc3v-4q9p-r6gc.

Is CVE-2026-73729 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free