OS Command Injection Vulnerability in Syncfusion EJ2 JavaScript UI Controls
CVE-2026-16630

4.8MEDIUM

Key Information:

Vendor: Syncfusion
Status: Ej2-javascript-ui-controls
Vendor: CVE Published:; 22 July 2026

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👾 Exploit Exists🟡 Public PoC

What is CVE-2026-16630?

A security vulnerability has been discovered in Syncfusion's EJ2 JavaScript UI Controls that allows for an OS command injection via the child_process.exec function in package.json. This vulnerability is present in versions up to 33.2.3. Attackers must exploit this vulnerability locally to manipulate the functionality and execute arbitrary commands on the operating system. The exploit has been publicly disclosed, raising significant concerns for users of this product. It's crucial for organizations to assess their use of the affected versions and implement appropriate security measures.

Affected Version(s)

ej2-javascript-ui-controls 33.2.0

ej2-javascript-ui-controls 33.2.1

ej2-javascript-ui-controls 33.2.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-16630 - Proof of Concept