CVE-2026-19766 PUBLISHED

Authentication Bypass leads to Administrative control of adjacent network hosts in HPE Networking Fabric Composer

Assigner: hpe
Reserved: 13.08.2026 Published: 01.09.2026 Updated: 02.09.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 9.6

Attack Vector	Adjacent Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Hewlett Packard Enterprise (HPE)
Product	Fabric Composer
Versions	Default: affected affected from 7.0.0 to 7.3.3 (incl.)

Credits

This vulnerability was discovered by internal security research at HPE Networking. reporter

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US