What is CVE-2026-14802?

CVE-2026-14802 is a high-severity vulnerability in React Create-react-app, classified under Command Injection. CVSS score: 7.3/10. Published 2026-07-06.

How severe is CVE-2026-14802?

High severity. CVSS v3 base score is 7.3 out of 10.

RCE in React Create-react-app

CVE-2026-14802

A vulnerability was detected in react create-react-app up to 5.0.1 on macOS. This affects the function startBrowserProcess of the file openBrowser.js of the component react-dev-utils. Performing a manipulation results in os command injecti…

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

React Create-react-app — versions 5.0.0, 5.0.1

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (issue-tracking, exploit)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-14802?: CVE-2026-14802 is a high-severity vulnerability in React Create-react-app, classified under Command Injection. CVSS score: 7.3/10. Published 2026-07-06.
How severe is CVE-2026-14802?: High severity. CVSS v3 base score is 7.3 out of 10.