CVE-2026-73708
Modified Modified - Updated After Analysis

Privilege Escalation in HPE Networking Fabric Composer API

Vulnerability report for CVE-2026-73708, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-01

Last updated on: 2026-09-02

Assigner: Hewlett Packard Enterprise (HPE)

Description

A business logic vulnerability exists in the API of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to obtain elevated privileges and modify settings beyond what is authorized by the user's existing privilege level on a vulnerable 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
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
arubanetworks fabric_composer to 7.3.4 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-863 The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

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Executive Summary

This is a business logic vulnerability in the API of HPE Networking Fabric Composer. It allows an authenticated low privilege operator user to gain elevated privileges and modify system settings beyond their authorized access level.

Detection Guidance

Detection of this vulnerability requires checking for unauthorized privilege escalation in HPE Networking Fabric Composer API. Monitor API logs for low-privilege users performing actions beyond their assigned roles. Review user privilege levels and compare them against authorized access. No specific commands are provided in the available context.

Impact Analysis

An attacker could exploit this to perform unauthorized actions, such as changing system configurations or accessing sensitive data, even with limited initial privileges.

Compliance Impact

This vulnerability allows an authenticated low-privilege user to gain elevated privileges and modify unauthorized settings, which could lead to unauthorized access or data manipulation. This may violate compliance requirements under GDPR (e.g., unauthorized data access) and HIPAA (e.g., unauthorized changes to protected health information systems).

Mitigation Strategies

Immediately update HPE Networking Fabric Composer to the latest patched version to address the business logic vulnerability. Ensure all operator users have the least privileges required for their roles and review user privilege assignments to prevent unauthorized privilege escalation.

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