react create-react-app react-dev-utils openBrowser.js startBrowserProcess os command injection
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.9epss 2.1%
from disclosure to weapon35 days
Published on NVDJul 6
1st PoC+35d
exploitation probability
2.1%top 20% of all CVEs
observed exploitation
nono source reports it
2 public exploit(s)
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
react · create-react-apppublic PoCs found — 2
githubgithub.com/IamDremig/CVE-2026-14802★ 1cve_referencegithub.com/react/create-react-app/issues/17269unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.