CVE-2026-73705: Arubanetworks Fabric Composer

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

An arbitrary file write vulnerability in the API of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to escalate privileges. Successful exploitation of this vulnerability may enable the attacker to execute arbitrary commands on the underlying operating system, leading to complete compromise of the affected system.

Affected products

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

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