CVE-2026-73733: Arubanetworks Fabric Composer

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

Authentication bypasses in the API of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to circumvent existing authentication controls. Successful exploitation could allow an attacker to retain limited access to the affected system after that access should have been revoked.

Affected products

• Arubanetworks Fabric Composer: up to and including 7.3.3

Published 2026-09-01. Last modified 2026-09-03.