CVE-2026-73746: Arubanetworks Fabric Composer

Low severity, CVSS 3.1. EPSS: 0.3% chance of exploitation in the next 30 days.

A denial-of-service vulnerability exists in the API of HPE Networking Fabric Composer that could allow an authenticated low privilege operator user to cause a denial of service. Successful exploitation could allow an attacker to interrupt the normal operation of the affected service.

Affected products

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

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