CVE-2026-73711: Arubanetworks Fabric Composer

High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days.

A privilege escalation vulnerability exists in the API endpoint of HPE Networking Fabric Composer. Successful exploitation could allow an unauthenticated remote attacker to gain administrative privileges leading to complete compromise of the HPE Networking Fabric Composer host.

Affected products

• Arubanetworks Fabric Composer: before 7.3.4 (fixed in 7.3.4)

Published 2026-09-01. Last modified 2026-09-02.