Auth bypass in Hewlett Packard Enterprise (HPE) Fabric Composer

CVE-2026-73733

Authentication bypasses in the API of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to circumvent existing authentication controls. Successful exploitation could allow an attacker to retain limited access to the affected system after that access should have been revoked.

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-73733?
CVE-2026-73733 is a medium-severity vulnerability in Hewlett Packard Enterprise (HPE) Fabric Composer, classified under Improper Authentication. CVSS score: 5.4/10. Published 2026-09-01.
How severe is CVE-2026-73733?
Medium severity. CVSS v3 base score is 5.4 out of 10.