CVE-2026-73738 Authenticated Sensitive Information Disclosure in HPE Networking Fabric Composer
Authenticated low-privilege users can view sensitive information in HPE Fabric Composer, potentially leading to privilege escalation.
- 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-2026-73738?
CVE-2026-73738 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 view sensitive information. Successful exploitation could allow an attacker to retrieve information which could be used to potentially gain further privileges on the affected system.
Weakness: CWE-200
Which versions are affected by CVE-2026-73738?
It affects 1 product.
Products include Arubanetworks Fabric Composer.
How do I fix CVE-2026-73738?
No fix has been published for CVE-2026-73738 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-73738 being exploited?
There is no known exploitation of CVE-2026-73738 in the wild and no public exploit code.
Other vulnerabilities in Arubanetworks Fabric Composer
- CVE-2026-76657 Authentication Bypass in HPE Networking Fabric Composer API allows Administrative Access
- CVE-2026-76658 Unauthenticated Remote Code Execution in HPE Networking Fabric Composer SSH Daemon
- CVE-2026-19766 Authentication Bypass leads to Administrative control of adjacent network hosts in HPE Networking Fabric Composer
- CVE-2026-73700 Cross-site scripting in Fabric Composer
- CVE-2026-73701 Unauthenticated Remote Code Execution in HPE Networking Fabric Composer
Sources
Also known as GHSA-4x32-w753-pwww.