CVE-2026-73731

MEDIUM 6.1

Unauthenticated Reflected Cross-Site Scripting (XSS) Vulnerability in HPE Networking Fabric Composer Web-Based Management Interface

CVSS Score

6.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	hewlett packard enterprise (hpe)
Product	fabric composer
Published	Sep 1, 2026
Last Updated	Sep 1, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

Hewlett Packard Enterprise (HPE) / Fabric Composer

7.0.0 ≤ 7.3.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

support.hpe.com: https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US

Credits

🔍 This vulnerability was discovered by internal security research at HPE Networking.