CVE-2025-11953
CVSS v3
9.8
CRITICAL
EPSS Score
8.4 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
The Metro Development Server, which is opened by the React Native Community CLI, binds to external interfaces by default. The server exposes an endpoint that is vulnerable to OS command injection. This allows unauthenticated network attackers to send a POST request to the server and run arbitrary executables. On Windows, the attackers can also execute arbitrary shell commands with fully controlled arguments.
CISA Known Exploited Vulnerability
- Date Added
- 2026-02-05
- Patch Due Date
- 2026-02-26
- Ransomware Use
- Unknown
Technical details
- Published
- 2025-11-03
Frequently asked questions
What is CVE-2025-11953?
The Metro Development Server, which is opened by the React Native Community CLI, binds to external interfaces by default. The server exposes an endpoint that is vulnerable to OS command injection. This allows unauthenticated network attackers to send a POST request to the server and run arbitrary executables. On Windows, the attackers can also execute arbitrary shell commands with fully controlled arguments.
Is CVE-2025-11953 actively exploited?
Yes. CVE-2025-11953 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-02-26.
What is the CVSS score for CVE-2025-11953?
CVE-2025-11953 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2025-11953 affecting your environment?
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