CVE-2026-73704: Arubanetworks Fabric Composer

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

A command sanitization bypass exists in the API of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to escalate their permissions to those of an administrative user, 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.