CVE-2026-16793 in XClarity Orchestrator
Summary
by MITRE • 08/04/2026
An improper neutralization of special elements used in an operating system command vulnerability was reported in Lenovo XClarity Orchestrator (LXCO) 2.2.0 that could allow an authenticated attacker to execute arbitrary operating system commands as a privileged user under a specific circumstance.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 08/04/2026
This vulnerability represents a critical command injection flaw in Lenovo XClarity Orchestrator version 2.2.0 where insufficient input validation allows authenticated attackers to manipulate operating system commands through improperly neutralized special elements. The weakness occurs when the application fails to adequately sanitize user-supplied data before incorporating it into system commands, creating an environment where malicious inputs can be interpreted and executed by the underlying operating system with elevated privileges.
The technical exploitation requires an attacker to possess valid authentication credentials within the LXCO environment, which significantly reduces the attack surface but does not eliminate the severity of the vulnerability. When authenticated users submit crafted input through specific application interfaces, the system processes these inputs without proper sanitization mechanisms, allowing command injection payloads to be executed with the privileges of the LXCO service account. This particular vulnerability aligns with CWE-78, which specifically addresses improper neutralization of special elements used in OS commands, making it a classic command injection vulnerability that can lead to complete system compromise.
The operational impact of this vulnerability is substantial as it enables authenticated attackers to execute arbitrary code on the underlying operating system with elevated privileges, potentially leading to unauthorized access to sensitive data, system manipulation, and privilege escalation within the managed infrastructure. Attackers could leverage this vulnerability to gain persistent access to the management environment, deploy malware, or exfiltrate confidential information from connected systems. The specific nature of the flaw suggests that it may affect administrative functions where system commands are executed based on user input, particularly in areas related to device management and orchestration operations.
Organizations utilizing Lenovo XClarity Orchestrator 2.2.0 should immediately implement mitigations including applying the latest security patches from Lenovo, implementing network segmentation to limit access to the orchestrator interface, and conducting thorough access control reviews to ensure only authorized personnel have administrative privileges. The vulnerability demonstrates the importance of input validation and proper command execution practices in enterprise management systems, highlighting the need for robust security controls in centralized infrastructure management platforms. Security teams should also consider implementing monitoring solutions to detect unusual command execution patterns that might indicate exploitation attempts. This issue aligns with ATT&CK technique T1059 which covers command and scripting interpreter, specifically focusing on OS command injection attacks that leverage improper input handling in enterprise management tools.