CVE-2026-73703
CVE-2026-73703
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.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
References
Frequently asked questions
- What is CVE-2026-73703?
- CVE-2026-73703 is a high-severity vulnerability. CVSS score: 8.8/10. Published 2026-09-01.
- How severe is CVE-2026-73703?
- High severity. CVSS v3 base score is 8.8 out of 10.