{"id":"CVE-2025-11953","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-11953","generatedAt":"2026-10-28T03:28:22.319Z","title":"React Native Community CLI OS Command Injection Vulnerability","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.","published":"2025-11-03T17:15:33.000Z","lastModified":"2026-06-17T08:31:29.000Z","status":"Analyzed","sourceIdentifier":"reefs@jfrog.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-78"],"affected":["react-native-community/react native community cli"],"epss":{"score":0.9398,"percentile":0.99844,"date":"2026-10-26","history":[]},"kev":{"listed":true,"dateAdded":"2026-02-05","dueDate":"2026-02-26","knownRansomwareCampaignUse":"Unknown","notes":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\nThis 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"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 26 February 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://github.com/react-native-community/cli/commit/15089907d1f1301b22c72d7f68846a2ef20df547","tags":["Patch"],"source":"reefs@jfrog.com"},{"url":"https://jfrog.com/blog/cve-2025-11953-critical-react-native-community-cli-vulnerability","tags":["Exploit","Mitigation","Third Party Advisory"],"source":"reefs@jfrog.com"},{"url":"https://x.com/SzymonRybczak/status/1986199665000566848","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://x.com/thymikee/status/1986770875954475375","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-11953","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://www.vulncheck.com/blog/metro4shell_eitw","tags":["Exploit","Third Party Advisory"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-11953","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}