CVE-2026-73726: Arubanetworks Fabric Composer

Medium severity, CVSS 6.8. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability has been identified in the underlying operating system of HPE Networking Fabric Composer that could potentially allow an unauthenticated adjacent actor to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative access, modify system configurations, and access or manipulate sensitive data.

Affected products

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

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