CVE-2026-14802 Details
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.
A command injection vulnerability has been identified in the 'react' package 'create-react-app' versions through 5.0.1, specifically on macOS. The issue arises in the 'startBrowserProcess' function within 'openBrowser.js', part of 'react-dev-utils'. The vulnerability allows for remote exploitation by injecting commands that are executed on the user's operating system.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jul 6, 2026CISA-ADP
Assessed Jul 6, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://vuldb.com/submit/850857 | CISA-ADP | Issue TrackingPermission Required |
| https://github.com/react/create-react-app/ | [email protected] | ProductVendor |
| https://github.com/react/create-react-app/issues/17269 | [email protected] | ExploitIssue TrackingTechnical DescriptionVendor |
| https://vuldb.com/cve/CVE-2026-14802 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/850857 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/376396 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/376396/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-77 | Improper Neutralization of Special Elements used in a Command ('Command Injection') | [email protected] |
| CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| React Create React App | <= 5.0.1 (semver) |
CPE
Remediation
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Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 6, 2026 | CVE Modified | CISA-ADP |
| Jul 6, 2026 | CVE Translated | [email protected] |
| Jul 6, 2026 | New CVE Received | [email protected] |