CVE-2025-11953: Technical Deep-Dive (Auto Refreshed)

Generated on 2026-03-23T21:21:47.809Z. This file is automatically regenerated every 30 minutes by the CVE AI enrichment job using web sources (NVD, MITRE, CISA KEV, GitHub).

Executive Technical Summary

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.

• Context preserved from previous revision: 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. Notes: 📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.

Technical Details

• CVE: CVE-2025-11953
• KEV date added: 2026-02-05
• KEV due date: 2026-02-26
• NVD published: Unknown
• NVD modified: Unknown
• MITRE modified: 2026-02-26
• CVSS base score: N/A
• CVSS vector: N/A
• CVSS exploitability score: N/A
• CVSS impact score: N/A
• Attack vector: Unknown
• Attack complexity: Unknown
• Privileges required: Unknown
• User interaction: Unknown
• Scope: Unknown
• Confidentiality impact: Unknown
• Integrity impact: Unknown
• Availability impact: Unknown

Versions and Products Impacted

• Affected component (versions: 4.8.0)

Weakness Classification

• CWE-78

Repositories for Lab Validation (Public Examples)

• No public repository matched this CVE query in the current run.

People and Organizations Mentioned

• JFROG
• React Native Community
• CLI

Practical Defensive Validation (Authorized Only)

1. Use only isolated environments and systems you own or are explicitly authorized to test.
2. Snapshot infrastructure before validation and preserve baseline logs (EDR, SIEM, OS, app).
3. Deploy Affected component (versions: 4.8.0) with synthetic data and validate strict server-side input validation and parameterization.
4. Replay safe payload patterns through WAF/IDS tuning pipelines to reduce false negatives.
5. Correlate request IDs with app/database logs to improve root-cause analysis speed.

References

• NVD record: https://nvd.nist.gov/vuln/detail/CVE-2025-11953
• MITRE CVE record: https://www.cve.org/CVERecord?id=CVE-2025-11953
• CISA KEV Catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
• CISA KEV JSON feed: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json
• KEV notes: This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://github.com/react-native-community/cli/commit/15089907d1f1301b22c72d7f68846a2ef20df547 ; https://github.com/react-native-community/cli/pull/2735 ; https://nvd.nist.gov/vuln/detail/CVE-2025-11953
• https://jfrog.com/blog/cve-2025-11953-critical-react-native-community-cli-vulnerability
• https://github.com/react-native-community/cli/commit/15089907d1f1301b22c72d7f68846a2ef20df547
• https://www.vulncheck.com/blog/metro4shell_eitw
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-11953
• https://x.com/SzymonRybczak/status/1986199665000566848
• https://x.com/thymikee/status/1986770875954475375

This content is for defensive security training and authorized validation only.