CVE-2025-11953
React Native Community CLI OS Command Injection Vulnerability
React Native Community CLIFrameworks
CVSS
9.8CriticalExploit odds (EPSS)94.0%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA KEV
What fixes it
- 20.0.0CVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Timeline
Public exploit code and templates 1
- Scanner templateReact Native Community CLI - Unauthenticated OS Command InjectionNuclei
Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.
Description
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.
Text from CVE List
Affected versions 1
- Productaffected: 4.8.0 before 20.0.0CVE List
References 8
- github.com/react-native-community/cli/commit/15089907d1f1301b22c72d7f68846a2ef20df547Fixvia CVE List
- vulncheck.com/blog/metro4shell_eitwAdvisoryvia CVE List
- github.com/react-native-community/cli/pull/2735Referencevia CISA KEV
- nvd.nist.gov/vuln/detail/CVE-2025-11953Referencevia CISA KEV
- jfrog.com/blog/cve-2025-11953-critical-react-native-community-cli-vulnerabilityReferencevia CVE List
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-11953Referencevia CVE List
- x.com/SzymonRybczak/status/1986199665000566848Referencevia CVE List
- x.com/thymikee/status/1986770875954475375Referencevia CVE List