SB2026020357 - Remote command execution in React Native Community CLI



SB2026020357 - Remote command execution in React Native Community CLI

Published: February 3, 2026

Security Bulletin ID SB2026020357
Severity
Critical
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) OS Command Injection (CVE-ID: CVE-2025-11953)

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation within the Metro Development Server at the "/open-url" endpoint. A remote unauthenticated attacker can send a specially crafted HTTP POST request to the affected endpoint and execute arbitrary OS commands on the target system.

On Windows installations the attackers can also fully control arguments when executing arbitrary OS commands. 


Remediation

Install update from vendor's website.