Authentication Bypass in HPE Networking Fabric Composer by HPE
CVE-2026-76657

10CRITICAL

Key Information:

Vendor

HP (HP)

Status
Fabric Composer
Vendor
CVE Published:
1 September 2026

What is CVE-2026-76657?

A vulnerability has been identified in the API of HPE Networking Fabric Composer, allowing unauthenticated remote attackers to bypass existing authentication mechanisms. If exploited, this vulnerability enables attackers to elevate their privileges, potentially leading to a total compromise of the HPE Networking Fabric Composer host.

Affected Version(s)

Fabric Composer 7.0.0 <= 7.3.3

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpe...

CVSS V3.1

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Unknown contributor
.