CVE-2026-73700

A vulnerability in the web-based management interface of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to conduct a stored cross-site scripting (XSS) attack against an administrative 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.

  • Published Sep 1, 2026
  • CVSS 9.0 critical
  • 0.4% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-73700 at the National Vulnerability Database