---
id: CVE-2026-14802
aliases:
  - GHSA-g9g6-gvq9-j4vp
title: ' react-dev-utils openBrowser permits command injection on macOS'
summary: ' react-dev-utils openBrowser permits command injection on macOS'
severity: medium
cvss: 7.3
cwe:
  - CWE-77
vendor: react-dev-utils
product: react-dev-utils
ecosystem: npm
affected:
  - react-dev-utils <= 5.0.1
published: '2026-07-06'
updated: '2026-10-01'
sourceUpdated: '2026-10-01T21:08:57Z'
source: GHSA
sourceUrl: 'https://github.com/advisories/GHSA-g9g6-gvq9-j4vp'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-14802'
  - url: 'https://github.com/react/create-react-app/issues/17269'
  - url: 'https://vuldb.com/cve/CVE-2026-14802'
  - url: 'https://vuldb.com/submit/850857'
  - url: 'https://vuldb.com/vuln/376396'
  - url: 'https://vuldb.com/vuln/376396/cti'
  - url: 'https://github.com/advisories/GHSA-g9g6-gvq9-j4vp'
tags:
  - ghsa
  - npm
  - exploit-available
epss: 0.02109
epssPercentile: 0.81102
exploits:
  github: 1
  githubRepos:
    - 'https://github.com/IamDremig/CVE-2026-14802'
  checkedAt: '2026-10-01T23:04:06.547Z'
exploitAvailable: true
ingestedAt: '2026-10-01T23:03:32.782Z'
---

## Overview

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 packages

- `react-dev-utils <= 5.0.1`

## Remediation

Refer to the advisory for the patched release.