# CVE-2026-16630 — syncfusion ej2-javascript-ui-controls

> As of 2026-07-23, CVE-2026-16630 is a MEDIUM-severity vulnerability in syncfusion ej2-javascript-ui-controls, CVSS v3.1 5.3, EPSS 1.0% (61.7th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-16630 as of 2026-07-23; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-07-23

## What is CVE-2026-16630?

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.

The record classifies CVE-2026-16630 under weakness classes [CWE-78](https://intel.threadlinqs.com/cwe/CWE-78), [CWE-77](https://intel.threadlinqs.com/cwe/CWE-77). Its CVSS v3 base vector states that the flaw requires local access to the host, needs low-privilege credentials, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 75 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 5.3 — MEDIUM (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R`)
- **CVSS v4.0 base score:** 4.8 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **EPSS (FIRST):** 1.0% probability of exploitation in the next 30 days, higher than 61.7% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 5.1/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-07-22, last modified 2026-07-23

## Is CVE-2026-16630 being exploited?

It currently carries a trending score of 45 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **syncfusion**: ej2-javascript-ui-controls

## How to fix CVE-2026-16630

No vendor patch reference has been recorded for CVE-2026-16630 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-16630

No threat campaign in the Threadlinqs corpus currently references CVE-2026-16630, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on 2026-07-24.

**Exploit and proof of concept**

- [github.com — exploit](https://github.com/syncfusion/ej2-javascript-ui-controls/issues/215)

**Technical analysis**

- [vuldb.com — vdb entry](https://vuldb.com/vuln/382380)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/382380/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-16630)
- [vuldb.com — third party advisory (860232)](https://vuldb.com/submit/860232)

**Issue tracking and product pages**

- [github.com — product](https://github.com/syncfusion/ej2-javascript-ui-controls/)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-16630
Full detection coverage and IOCs for threats exploiting CVE-2026-16630 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp