CVE-2026-14802

HIGH 7.3

react create-react-app react-dev-utils openBrowser.js startBrowserProcess os command injection

CVSS Score

7.3

EPSS Score

1.3%

EPSS Percentile

67th

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.

CWE	CWE-78 CWE-77
Vendor	react
Product	create-react-app
Published	Jul 6, 2026
Last Updated	Jul 6, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

react / create-react-app

5.0.0 5.0.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/376396 vuldb.com: https://vuldb.com/vuln/376396/cti vuldb.com: https://vuldb.com/cve/CVE-2026-14802 vuldb.com: https://vuldb.com/submit/850857 github.com: https://github.com/react/create-react-app/issues/17269 github.com: https://github.com/react/create-react-app/

Credits

🔍 Dremig (VulDB User) VulDB CNA Team