CVE-2026-16630 in ej2-javascript-ui-controls
Summary
by MITRE • 07/23/2026
A security vulnerability has been detected in syncfusion ej2-javascript-ui-controls up to 33.2.3. This affects the function child_process.exec of the file package.json. The manipulation leads to os command injection. An attack has to be approached locally. The exploit has been disclosed publicly and may be used.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 07/23/2026
This vulnerability resides within the syncfusion ej2-javascript-ui-controls library version 33.2.3 and earlier, where a critical command injection flaw exists in the child_process.exec function call within the package.json file. The flaw represents a direct exploitation vector for operating system command injection attacks that can be leveraged by local adversaries who have access to the system. The vulnerability stems from improper input validation and sanitization of user-supplied data that flows into the exec function, which executes system commands with elevated privileges.
The technical implementation of this flaw allows attackers to inject malicious operating system commands through the vulnerable child_process.exec call, creating a path for arbitrary code execution on the target system. This type of vulnerability maps directly to CWE-78, which specifically addresses OS Command Injection, and falls under the broader category of command injection vulnerabilities that have been extensively documented in security frameworks. The attack surface is significantly reduced since exploitation requires local access to the system, but this does not diminish the severity of potential impact once achieved.
From an operational perspective, successful exploitation can result in complete system compromise, allowing attackers to execute arbitrary commands with the privileges of the affected application. This could lead to privilege escalation, data exfiltration, persistence mechanisms establishment, or further lateral movement within a network environment. The public disclosure of this exploit increases the risk profile significantly, as it removes the element of surprise that typically protects against zero-day attacks. Attackers can now leverage this vulnerability without requiring advanced reconnaissance or development efforts.
The mitigation strategy should focus on immediate remediation through updating to version 33.2.4 or later where this vulnerability has been patched. Organizations should also implement proper input validation and sanitization measures for any user-supplied data that might reach system execution functions. Additional protective measures include restricting local access permissions, implementing application whitelisting, and employing runtime monitoring systems to detect suspicious command execution patterns. Security teams should also consider network segmentation and privileged access controls to limit the potential impact of successful exploitation attempts. The vulnerability demonstrates the importance of maintaining current software versions and proper code review practices to prevent such dangerous execution flaws from being introduced into production environments.