CVE-2026-73703
High
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductArubanetworks Fabric Composer
PublishedSep 1, 2026
First seenSep 1, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- arubanetworks fabric_composer7.3.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| arubanetworks fabric_composer | v < 7.3.4 | 7.3.4 |
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