CVE-2026-92194 in Foglight for Databases
Summary
by MITRE • 11/04/2026
Quest Foglight for Databases loadManageServerLicense Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Quest Foglight for Databases. Authentication is required to exploit this vulnerability.
The specific flaw exists within the loadManageServerLicense script. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-29231.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 11/04/2026
The identified security flaw resides within Quest Foglight for Databases, specifically affecting the loadManageServerLicense script component. This vulnerability is classified as a directory traversal issue that ultimately leads to remote code execution under specific conditions. The core technical deficiency lies in the insufficient validation of user-supplied path inputs before they are utilized in file system operations. When an authenticated attacker provides a maliciously crafted path string, the application fails to properly sanitize or restrict access to authorized directories. This lack of input sanitization allows the traversal sequences embedded within the payload to escape the intended directory scope and interact with arbitrary files on the underlying operating system.
From a technical perspective, this vulnerability maps directly to CWE-22: Improper Limitation of a Pathname to a Restricted Directory. The absence of rigorous checks against path normalization or canonicalization enables an attacker to manipulate file pointers beyond their expected boundaries. By exploiting this weakness, it is possible to write files to locations where the application process has elevated privileges. In this specific instance, the affected service runs with SYSTEM-level permissions on Windows environments. Consequently, any code executed via a crafted script upload or configuration overwrite inherits these high-privilege credentials. This aligns with ATT&CK technique T1059: Command and Scripting Interpreter, as the attacker can leverage server-side scripting capabilities to execute arbitrary commands directly within the context of the operating system's most privileged account.
The operational impact of this vulnerability is severe due to the combination of authentication requirements and high-privilege execution contexts. While an initial foothold requires valid credentials, which limits the attack surface compared to unauthenticated exploits, it represents a critical risk for internal threats or compromised user accounts. Once exploited, the ability to execute code as SYSTEM grants full control over the host machine. This includes the potential to install backdoors, modify system configurations, access sensitive database files managed by Foglight, and pivot further into the network infrastructure. The attacker can effectively bypass many standard security controls that rely on process isolation or user-level permissions because the malicious activity occurs at the highest privilege level available on the Windows operating system.
Mitigation strategies must focus on both immediate remediation and long-term architectural improvements. Quest has released patches to address this specific flaw in newer versions of Foglight for Databases, so applying the latest security updates is the primary defense mechanism. Administrators should also enforce strict principle of least privilege by ensuring that application services do not run with SYSTEM or Administrator rights unless absolutely necessary. Implementing network segmentation can limit lateral movement if an initial compromise occurs. Additionally, input validation frameworks should be employed to rigorously sanitize all file path inputs at the application layer, rejecting any characters or sequences indicative of directory traversal attempts such as dot-dot-slash patterns. Regular auditing of script execution logs and monitoring for unusual file system activity can also aid in early detection of exploitation attempts.