CVE-2026-73730 Authenticated Privilege Escalation via Broken Access Control in HPE Networking Fabric Composer API
Authenticated low-privilege users can escalate privileges to modify system settings in HPE Networking 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-2026-73730?
CVE-2026-73730 is a medium-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 API of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to change the state of certain settings of a vulnerable system.
Weakness: CWE-269
Which versions are affected by CVE-2026-73730?
It affects 1 product.
Products include Arubanetworks Fabric Composer.
How do I fix CVE-2026-73730?
No fix has been published for CVE-2026-73730 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-73730 being exploited?
There is no known exploitation of CVE-2026-73730 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-9v99-c5q4-vm64.