CVE-2026-73731: Arubanetworks Fabric Composer

Medium severity, CVSS 6.1. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability in the web-based management interface of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to conduct a reflected cross-site scripting (XSS) attack against a user of the interface. A successful exploit could allow an attacker to execute arbitrary script code in a victim's browser in the context of the affected interface.

Affected products

• Arubanetworks Fabric Composer: up to and including 7.3.3

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