CVE-2026-110392 in QA-Board
Summary
by MITRE • 10/14/2026
Improper neutralization of special elements used in an OS command ('OS command injection') vulnerability in Samsung Open Source QA-Board allows : OS Command Injection.
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Analysis
by VulDB Data Team • 10/14/2026
The identified vulnerability represents a classic instance of improper input validation within the Samsung Open Source QA-Board environment, specifically manifesting as Operating System (OS) command injection. This flaw arises when the application processes user-supplied data without adequately sanitizing or validating special characters that hold significance in shell interpretation. By failing to neutralize these elements, such as semicolons, pipes, ampersands, and backticks, the system inadvertently allows an attacker to inject arbitrary commands into a context where they are executed by the underlying operating system with the privileges of the vulnerable application process. This type of vulnerability is fundamentally rooted in CWE-78, which classifies improper neutralization of special elements used in an OS command, highlighting the critical failure in input handling mechanisms that should strictly separate data from code execution contexts.
From a technical perspective, this flaw typically occurs when dynamic string concatenation is used to construct shell commands rather than employing safe APIs that accept arguments as distinct parameters. In the context of QA-Board systems, which are often utilized for hardware testing and quality assurance workflows, such vulnerabilities can be particularly severe because these tools frequently require elevated privileges or direct access to system resources to perform diagnostic checks. An attacker who gains access to an interface vulnerable to this injection could potentially execute arbitrary commands on the host machine. This capability bypasses standard application-level security controls, effectively granting the attacker a foothold within the operating system itself rather than just the application layer.
The operational impact of such a vulnerability is extensive and varies based on the execution context of the QA-Board software. If the service runs with administrative or root privileges, which is common for diagnostic tools to ensure they can access low-level hardware interfaces, successful exploitation could lead to complete system compromise. Attackers may leverage this vector to install persistent backdoors, exfiltrate sensitive configuration data, pivot into other network segments, or disrupt critical testing operations by modifying or deleting essential files and processes. The ability to execute commands as the user running the application means that any security boundaries enforced at the OS level are circumvented if those boundaries rely on process isolation rather than strict privilege separation.
This vulnerability aligns with several tactics within the MITRE ATT&CK framework, particularly Command and Scripting Interpreter techniques under Initial Access or Execution phases. Specifically, it maps to T1059, which covers command line interface usage for executing arbitrary code. The lack of proper input sanitization allows attackers to bypass application logic and interact directly with the shell environment, a technique often referred to as blind OS command injection if output is not returned, or regular OS command injection if results are visible. This direct interaction enables complex attack chains that can escalate privileges further through subsequent exploitation steps once initial access is established via this vector.
Mitigation strategies must focus on rigorous input validation and the adoption of secure coding practices. Developers should avoid passing unsanitized user input directly to shell commands or system calls. Instead, they should utilize programming language functions that allow for argument separation, ensuring that inputs are treated strictly as data rather than executable code. Implementing strict whitelisting for allowed characters in input fields is also essential, rejecting any input containing special shell metacharacters unless explicitly required and safely escaped. Additionally, applying the principle of least privilege by running QA-Board services with minimal necessary permissions can significantly reduce the impact of a successful exploitation attempt, limiting the attacker's ability to perform destructive actions even if injection occurs. Regular security audits and static code analysis tools configured to detect CWE-78 patterns are recommended to identify and remediate such flaws before deployment in production environments.