CVE-2026-73704

Modified Modified - Updated After Analysis

Command Sanitization Bypass in HPE Networking Fabric Composer

Publication date: 2026-09-01

Last updated on: 2026-09-02

Assigner: Hewlett Packard Enterprise (HPE)

Description

A command sanitization bypass exists in the API of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to escalate their permissions to those of an administrative user, leading to complete compromise of the affected system.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-01

Last Modified

2026-09-02

Generated

2026-09-22

AI Q&A

2026-09-01

EPSS Evaluated

2026-09-20

NVD

CVE-2026-73704

EUVD

EUVD-2026-69431

Affected Vendors & Products

Vendor	Product	Version / Range
arubanetworks	fabric_composer	to 7.3.4 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-77	The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Attack-Flow Graph

Executive Summary

This vulnerability is a command sanitization bypass in the API of HPE Networking Fabric Composer. It allows an authenticated low privilege operator user to escalate their permissions to administrative level, potentially leading to full system compromise.

Impact Analysis

If exploited, an attacker with low privileges could gain full administrative access to the system, allowing them to take complete control, modify configurations, or access sensitive data.

Compliance Impact

This vulnerability allows an authenticated low privilege user to escalate permissions to administrative access, potentially leading to unauthorized data access or modification. Such a compromise could violate GDPR by exposing personal data or HIPAA by breaching protected health information, depending on the system's use case.

Mitigation Strategies

Apply the latest security patches or updates provided by HPE for Networking Fabric Composer to address the command sanitization bypass. Ensure only authorized users have access to the API and review user permissions to prevent privilege escalation.

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