HPE Fabric Composer up to 7.3.3 os command injection

Summaryinfo

A vulnerability marked as very critical has been reported in HPE Fabric Composer up to 7.3.3. This impacts an unknown function. The manipulation leads to os command injection. This vulnerability is referenced as CVE-2026-73716. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in HPE Fabric Composer up to 7.3.3. It has been rated as very critical. This issue affects an unknown code. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A remote code execution vulnerability exists in the underlying operating system of HPE Networking Fabric Composer that 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 could allow an attacker to execute arbitrary commands as a privileged user on the underlying operating system, leading to complete compromise of the HPE Networking Fabric Composer host.

It is possible to read the advisory at support.hpe.com. The identification of this vulnerability is CVE-2026-73716 since 08/13/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/01/2026). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• HPE

Name

• Fabric Composer

Version

• 7.3.0
• 7.3.1
• 7.3.2
• 7.3.3

License

• commercial

Website

• Vendor: https://www.hpe.com/

CPE 2.3info

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CPE 2.2info

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