Vulnerability · Published Sep 1, 2026 · Assigned by hpe
CVE-2026-73700Authenticated Stored Cross-Site Scripting Vulnerability (XSS) in HPE Networking Fabric Composer Web-Based Management Interface
Critical 9.0
In plain English
A critical-severity cross-site scripting in Fabric Composer from Hewlett Packard Enterprise (HPE). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Hewlett Packard Enterprise (HPE) | Fabric Composer | 7.0.0 – through 7.3.3 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H