CVE-2026-14802
High
Description
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 injection. Remote exploitation of the attack is possible. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
SeverityHigh
CVSS7.3
Exploit probability—
ProductReact-dev-utils
PublishedJul 6, 2026
First seenJul 6, 2026
Weakness typeCWE-78OS command injectionCWE-77Command injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| react-dev-utilsnpm | v ≤ 5.0.1 | — |
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