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Critical RCE Flaw in React Native CLI Exposes Development Servers

First seen 2 Dec 2025, 18:33 UTC

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ThreatCluster AI
ThreatCluster March 12, 2026 at 13:27 UTC

A critical remote-code execution (RCE) vulnerability in the @react-native-community/cli allows attackers to execute arbitrary OS commands via the Metro development server. This flaw arises because the server binds to all network interfaces by default, potentially exposing machines to external threats when started with standard commands. Developers using React Native are particularly affected by this security issue.

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