CVE-2026-47786 in HybridDesk Station
Summary
by MITRE • 10/15/2026
An OS command injection vulnerability has been reported to affect HybridDesk Station. If exploited, the vulnerability could allow remote attackers to execute arbitrary commands.
We have already fixed the vulnerability in the following version: HybridDesk Station 4.2.23 and later HybridDesk Station 4.3.4 and later
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Analysis
by VulDB Data Team • 10/15/2026
The reported security issue represents a critical OS command injection flaw within HybridDesk Station, a software solution typically utilized for remote desktop management or virtual workspace environments. This type of vulnerability arises when an application processes user-supplied input without adequate validation or sanitization before passing it to the operating system's shell interpreter. In this specific instance, attackers who can interact with affected versions of HybridDesk Station are able to inject malicious command sequences that bypass intended security controls. The core technical flaw lies in the failure to properly isolate user inputs from system commands, allowing an attacker to terminate existing arguments and append new OS-level instructions for execution by the privileged process running the application.
From a classification perspective, this vulnerability aligns with CWE-78, which defines Improper Neutralization of Special Elements used in an Operating System Command, commonly referred to as OS Command Injection. The attack vector typically involves manipulating input fields such as hostnames, connection parameters, or configuration settings where the software constructs shell commands dynamically. By exploiting this lack of input validation, a remote attacker can achieve arbitrary code execution on the underlying operating system hosting HybridDesk Station. This is particularly dangerous because desktop management tools often run with elevated privileges to facilitate administrative tasks, meaning successful exploitation could grant an attacker full control over the host machine, including access to sensitive files, installation of malware, or use of the compromised system as a pivot point for further network attacks.
The operational impact of this vulnerability extends beyond simple data exfiltration. An adversary leveraging OS command injection can establish persistent backdoors, modify system configurations, or disrupt service availability by terminating critical processes. In enterprise environments where HybridDesk Station is deployed to manage multiple endpoints, the compromise of a single instance could potentially lead to lateral movement across the network if the compromised host has access to other systems via remote management protocols. This significantly expands the blast radius of the initial breach and complicates incident response efforts due to the deep system-level access gained by the attacker.
To mitigate this risk, organizations must immediately upgrade HybridDesk Station to version 4.2.23 or later for the 4.2 branch, or version 4.3.4 and later for the 4.3 branch, as these releases contain the necessary patches to neutralize the command injection vector. In addition to applying vendor-provided updates, administrators should implement defense-in-depth strategies such as restricting network access to management interfaces using firewalls and ensuring that the service runs under a least-privilege account where possible. Monitoring system logs for unusual process creation events or unexpected shell activity can also aid in detecting potential exploitation attempts before significant damage occurs. Regular vulnerability assessments and adherence to secure coding practices, particularly regarding input validation and output encoding, are essential preventive measures against similar injection flaws classified under MITRE ATT&CK technique T1059 Command and Scripting Interpreter.