HPE Fabric Composer up to 7.3.4/7.4.0 API Endpoint improper authorization

Summaryinfo

A vulnerability described as very critical has been identified in HPE Fabric Composer up to 7.3.4/7.4.0. This impacts an unknown function of the component API Endpoint. Executing a manipulation can lead to improper authorization. This vulnerability is tracked as CVE-2026-95746. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in HPE Fabric Composer up to 7.3.4/7.4.0 and classified as very critical. This vulnerability affects an unknown code block of the component API Endpoint. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An authentication bypass vulnerability in the API endpoint of HPE Networking Fabric Composer could allow an unauthenticated adjacent attacker to circumvent existing authentication controls if certain preconditions outside of the attacker's control are met. Successful exploitation could allow an attacker to gain unauthorized access to the affected system.

The advisory is available at support.hpe.com. This vulnerability was named CVE-2026-95746 since 09/22/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 11/03/2026). This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

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

• 7.0
• 7.1
• 7.2
• 7.3
• 7.3.0
• 7.3.1
• 7.3.2
• 7.3.3
• 7.3.4
• 7.4.0

License

• commercial

Website

• Vendor: https://www.hpe.com/

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