CVE-2026-73720

Modified Modified - Updated After Analysis

Insecure File Operations in HPE Networking Fabric Composer Lead to RCE

Publication date: 2026-09-01

Last updated on: 2026-09-02

Assigner: Hewlett Packard Enterprise (HPE)

Description

Insecure file operations in the API of HPE Networking Fabric Composer could allow an authenticated remote attacker to achieve remote code execution. Successful exploitation could allow an attacker to execute arbitrary commands as a privileged user on the underlying operating system.

CVSS Scores

EPSS Scores

Probability:
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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-2026-73720

EUVD

EUVD-2026-69447

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-78	The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
CWE-73	The product allows user input to control or influence paths or file names that are used in filesystem operations.

Attack-Flow Graph

Executive Summary

This vulnerability involves insecure file operations in the API of HPE Networking Fabric Composer. An authenticated remote attacker could exploit this to execute arbitrary commands on the underlying operating system with privileged user permissions.

Detection Guidance

Detection requires checking for insecure file operations in HPE Networking Fabric Composer API. Monitor logs for unusual command execution patterns or unauthorized file writes. Verify if the API allows authenticated remote users to perform privileged actions without proper validation.

Impact Analysis

An attacker could gain control of the system running HPE Networking Fabric Composer, leading to unauthorized access, data theft, or further network compromise. This could disrupt operations or allow lateral movement within an organization's infrastructure.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating confidentiality requirements in GDPR and HIPAA. Organizations may face legal penalties, reputational damage, and loss of compliance certifications if exploited.

Mitigation Strategies

Apply vendor-provided patches or updates for HPE Networking Fabric Composer immediately. Restrict API access to trusted users only and monitor for unusual command execution activities.

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