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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| react | create-react-app | 5.0.0, 5.0.1 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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IamDremig/CVE-2026-14802 ★ 1 · Aug 10, 2026
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | react-dev-utils | <= 5.0.1 | — | GHSA-g9g6-gvq9-j4vp |
References
- VDB-376396 | react create-react-app react-dev-utils openBrowser.js startBrowserProcess os command injection vdb-entry technical-description
- VDB-376396 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- CVE-2026-14802 | CVE Analysis and Report third-party-advisory
- Submit #850857 | Node.js create-react-app 12.0.1 OS Command Injection third-party-advisory
- https://github.com/react/create-react-app/issues/17269 exploit issue-tracking
- https://github.com/react/create-react-app/ product