Is CVE-2026-73703 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-73703?

CVE-2026-73703 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-73703

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.