Auth bypass in Hewlett Packard Enterprise (HPE) Fabric Composer
CVE-2026-76657
Vulnerabilities have been identified in the API of HPE Networking Fabric Composer that could potentially allow an unauthenticated remote attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative privileges leading to complete compromise of the HPE Networking Fabric Composer host.
Vulnerability class: Broken Authentication
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-76657?
- CVE-2026-76657 is a critical-severity vulnerability in Hewlett Packard Enterprise (HPE) Fabric Composer, classified under Improper Authentication. CVSS score: 10.0/10. Published 2026-09-01.
- How severe is CVE-2026-76657?
- Critical severity. CVSS v3 base score is 10.0 out of 10.