CVE-2026-73723 Privilege escalation in Fabric Composer
Authenticated low-privilege users can perform unauthorized state-changing actions in HPE Fabric Composer, requiring a patch to restrict access.
- 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-2026-73723?
CVE-2026-73723 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 privilege escalation vulnerability exists in the web-based management interface of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to complete state-changing actions that should not be allowed by their current level of authorization on the platform.
Which versions are affected by CVE-2026-73723?
It affects 1 product.
Products include Arubanetworks Fabric Composer.
How do I fix CVE-2026-73723?
No fix has been published for CVE-2026-73723 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-73723 being exploited?
There is no known exploitation of CVE-2026-73723 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-3gw8-rmrm-8cwc.