Vulnerability in Hewlett Packard Enterprise (HPE) Fabric Composer

CVE-2026-73731

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.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

References

Frequently asked questions

What is CVE-2026-73731?
CVE-2026-73731 is a medium-severity vulnerability in Hewlett Packard Enterprise (HPE) Fabric Composer. CVSS score: 6.1/10. Published 2026-09-01.
How severe is CVE-2026-73731?
Medium severity. CVSS v3 base score is 6.1 out of 10.