Description

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

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "8.3",
  "pubDate": "2026-09-01T20:17:18.297Z",
  "pubdate": "2026-09-01T20:17:18.297Z",
  "executiveSummary": "This vulnerability involves an OS command injection flaw within the underlying operating system utilized by HPE Networking Fabric Composer.\nThe vulnerability permits an unauthenticated, adjacent attacker to execute arbitrary commands on the underlying host, leading to a complete compromise of the affected system.\nThe risk is critical, as successful exploitation bypasses authentication mechanisms, granting the attacker the ability to perform unauthorized actions at the OS level.\nThe vulnerability is dependent on specific, attacker-independent preconditions, which may limit the exploitability in certain environments, though it remains a severe security risk.\nThe impact includes potential unauthorized access to sensitive data, system disruption, and the establishment of persistent unauthorized access if the host is successfully compromised.",
  "technicalDetails": "The vulnerability originates from insufficient input validation or handling within the underlying operating system components integrated into HPE Networking Fabric Composer. This flaw allows an adversary to inject malicious commands into system processes that are executed with elevated privileges, effectively circumventing the intended security boundaries of the appliance.\nThe attack vector is identified as adjacent, meaning the attacker must be present on the same local network segment to interact with the vulnerable service or interface. Because the vulnerability does not require prior authentication, an attacker can leverage this proximity to initiate exploitation without valid credentials.\nThe exploitation process involves the transmission of specially crafted input packets or requests that interact with a vulnerable underlying service. When these inputs are processed by the OS shell or a vulnerable system-level function, they trigger an unintended execution context. The attacker effectively forces the system to interpret malicious strings as system commands, which are subsequently executed with the permissions of the vulnerable process.\nAlthough the vulnerability is contingent upon external preconditions—meaning the exploit may only trigger under specific environmental configurations or state triggers—the potential impact is substantial. Once the initial command injection is successful, the attacker gains the ability to execute further arbitrary commands, facilitating post-exploitation tasks such as lateral movement, data exfiltration, or the installation of persistent malicious payloads.\nThe affected component is the underlying operating system environment supporting HPE Networking Fabric Composer, which is exposed to network-level input that lacks the necessary sanitization. Successful execution results in the attacker achieving an execution environment that typically lacks the constraints of the application-level security controls, leading to a full host-level compromise."
}