CVE-2026-95749 in Fabric Composer
Summary
by MITRE • 11/03/2026
A missing integrity verification vulnerability exists in HPE Networking Fabric Composer. Successful exploitation could allow an unauthenticated remote attacker to execute arbitrary code on the affected system.
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Analysis
by VulDB Data Team • 11/03/2026
The identified vulnerability represents a critical failure in input validation and data integrity mechanisms within Hewlett Packard Enterprise (HPE) Networking Fabric Composer, specifically concerning how it processes incoming requests from external entities. This flaw stems from an absence of proper cryptographic verification or checksumming for specific components of the application's communication protocol. In secure network management architectures like HPE Fabric Composer, which orchestrates and manages data center networking infrastructure, maintaining strict integrity checks on all received payloads is paramount to prevent unauthorized modifications or injections. The lack of such verification allows malicious actors to craft specially designed packets that bypass standard security controls, effectively treating untrusted input as legitimate system commands without any form of authentication or validation.
From a technical perspective, this vulnerability aligns with CWE-354, which describes the improper validation of integrity checks for received data. When an application fails to verify that the data it receives has not been altered in transit or originates from a trusted source, it opens a pathway for code injection attacks. In the context of HPE Networking Fabric Composer, this likely involves manipulating configuration parameters, API calls, or internal state variables through network requests. Because the system does adequately authenticate the sender before executing these manipulated inputs, an attacker can exploit this gap to inject arbitrary commands into the execution environment. This is particularly dangerous in enterprise environments where such systems hold elevated privileges and direct control over critical networking hardware.
The operational impact of successfully exploiting this vulnerability is severe, as it grants unauthenticated remote attackers the ability to execute arbitrary code on the affected system with the privileges of the application process. This level of access can lead to a complete compromise of the management plane, allowing adversaries to exfiltrate sensitive network topology data, modify routing configurations to facilitate traffic interception or denial-of-service attacks, and potentially pivot into other parts of the internal network infrastructure. Given that HPE Fabric Composer often serves as a central point for managing virtualized networks and physical switches, compromising it can disrupt entire data center operations, leading to significant downtime and loss of business continuity.
This vulnerability is also closely associated with MITRE ATT&CK technique T1190, which involves exploiting public-facing applications in application layer protocols such as HTTP or DNS. Attackers typically leverage this by sending crafted requests over the network without needing prior credentials, making it a high-risk threat vector for internet-exposed management interfaces. To mitigate this risk, organizations must ensure that HPE Networking Fabric Composer is updated to the latest version provided by Hewlett Packard Enterprise, which includes patches addressing these integrity verification gaps. Additionally, implementing strict access control lists and network segmentation can limit exposure to untrusted networks, while monitoring logs for anomalous request patterns may help in early detection of exploitation attempts before significant damage occurs.