Stored Cross-Site Scripting Vulnerability in HPE Networking Fabric Composer
CVE-2026-73703

8.8HIGH

Key Information:

Vendor

HP (HP)

Status
Fabric Composer
Vendor
CVE Published:
1 September 2026

What is CVE-2026-73703?

A vulnerability in the web-based management interface of HPE Networking Fabric Composer permits an unauthenticated adjacent attacker to execute a stored cross-site scripting (XSS) attack. By exploiting this vulnerability, an attacker can execute arbitrary script code within the browsers of users accessing the interface. This could lead to unauthorized actions being performed in the context of the affected interface, potentially compromising sensitive user information.

Affected Version(s)

Fabric Composer 7.0.0 <= 7.3.3

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpe...

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Unknown contributor
.