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CRITICAL · 9.6

CVE-2026-19766

An authentication bypass vulnerability exists in the underlying operating system of HPE Networking Fabric Composer. Successful exploitation could allow an unauthenticated adjacent attacker to execute ...

Vulnerability Description

An authentication bypass vulnerability exists in the underlying operating system of HPE Networking Fabric Composer. Successful exploitation could allow an unauthenticated adjacent attacker to execute arbitrary code as a privileged user on the underlying operating system, leading to complete compromise of the AFC host.

CVSS Score

9.6

CRITICAL

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
ArubanetworksFabric Composer>= 7.0.0, <= 7.3.3

Related Weaknesses (CWE)

CWE-287

References

FAQ

What is CVE-2026-19766?

CVE-2026-19766 is a vulnerability with a CVSS score of 9.6 (CRITICAL). An authentication bypass vulnerability exists in the underlying operating system of HPE Networking Fabric Composer. Successful exploitation could allow an unauthenticated adjacent attacker to execute ...

How severe is CVE-2026-19766?

CVE-2026-19766 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-19766?

Check the references section above for vendor advisories and patch information. Affected products include: Arubanetworks Fabric Composer.