What is CVE-2026-73700?

CVE-2026-73700 is a critical-severity vulnerability. CVSS score: 9.0/10. Published 2026-09-01.

How severe is CVE-2026-73700?

Critical severity. CVSS v3 base score is 9.0 out of 10.

CVE-2026-73700

CVE-2026-73700

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.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

References

security-alert@hpe.com

Frequently asked questions

What is CVE-2026-73700?: CVE-2026-73700 is a critical-severity vulnerability. CVSS score: 9.0/10. Published 2026-09-01.
How severe is CVE-2026-73700?: Critical severity. CVSS v3 base score is 9.0 out of 10.