Executive Summary

React Native Community CLI contains an OS command injection vulnerability which could allow unauthenticated network attackers to send POST requests to the Metro Development Server and run arbitrary executables via a vulnerable endpoint exposed by the server. On Windows, attackers can also execute arbitrary shell commands with fully controlled arguments.

CVSS Score: 9.0/10.0
Severity: CRITICAL

Affected Systems

  • React Native Community CLI

Detection & Mitigation

  • Apply vendor patches as soon as available
  • Monitor for indicators of compromise
  • Review vendor advisories for specific guidance

References