CVE-2026-73712: Unauthenticated Remote Code Execution in HPE Networking Fabric Composer API

Vulnerability summary

CVE-2026-73712 is a high (CVSS 8.1) OS Command Injection vulnerability in arubanetworks fabric_composer. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 50.2% of scored vulnerabilities.

Timeline

1. 01-09-2026
   PublishedVulnerability first disclosed.
2. 03-09-2026
   Last modifiedVulnerability information updated.

Description

A vulnerability in the API of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to run arbitrary commands on the underlying host if certain preconditions outside of the attacker's control are met. Successful exploitation of this vulnerability could allow an attacker to execute arbitrary commands on the underlying operating system leading to complete system compromise.

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')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-77Improper Neutralization of Special Elements used in a Command ('Command Injection')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.