CVE-2026-73726

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Authentication Bypass in HPE Networking Fabric Composer

Publication date: 2026-09-01

Last updated on: 2026-09-01

Assigner: Hewlett Packard Enterprise (HPE)

Description

A vulnerability has been identified in the underlying operating system of HPE Networking Fabric Composer that could potentially allow an unauthenticated adjacent actor to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative access, modify system configurations, and access or manipulate sensitive data.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-01

Last Modified

2026-09-01

Generated

2026-09-02

AI Q&A

2026-09-02

EPSS Evaluated

N/A

NVD

CVE-2026-73726

EUVD

EUVD-2026-69453

Affected Vendors & Products

Vendor	Product	Version / Range
hpe	networking_fabric_composer	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability allows an unauthenticated attacker within close network proximity to bypass authentication controls in HPE Networking Fabric Composer. If exploited, it could grant administrative access, enabling configuration changes and unauthorized access to sensitive data.

Impact Analysis

An attacker could gain full administrative control over the system, modify settings, steal or alter sensitive information, and disrupt network operations. This could lead to data breaches, system outages, or unauthorized network access.

Compliance Impact

This vulnerability could lead to unauthorized access or exposure of sensitive data, violating compliance requirements for GDPR, HIPAA, and other regulations. Organizations may face legal penalties, fines, or reputational damage due to non-compliance.

Mitigation Strategies

Apply the latest security patches or updates provided by HPE for Networking Fabric Composer to address the authentication bypass issue. Ensure network segmentation to limit access to critical systems and monitor for unauthorized administrative changes.

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