CVE-2026-73703
Unauthenticated Stored Cross-Site Scripting (XSS) Vulnerability in HPE Networking Fabric Composer Web-Based Management Interface
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
A vulnerability in the web-based management interface of HPE Networking Fabric Composer could allow an unauthenticated adjacent attacker to conduct a stored 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:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Hewlett Packard Enterprise (HPE) / Fabric Composer
7.0.0 ≤ 7.3.3
References
Credits
🔍 This vulnerability was discovered by internal security research at HPE Networking.