CVE-2025-11953 KEV
9.8
CRITICAL · CVSS 3.1 · EPSS 94% (pctl 100)
Patch first
On CISA KEV — known exploited in the wild, due 2026-02-26.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 93.98% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-78 |
| On CISA KEV | yes — remediate by 2026-02-26 |
| Public exploit | none known |
| Published | 2025-11-03 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | React Native Community CLI OS Command Injection Vulnerability |
|---|---|
| Added | 2026-02-05 |
| Due | 2026-02-26 |
| Vendor / product | React Native Community / CLI |
| Ransomware use | none reported |
Affected (1)
| Vendor | Product |
|---|---|
| react-native-community | react native community cli |
References
- https://github.com/react-native-community/cli/commit/15089907d1f1301b22c72d7f68846a2ef20df547
- https://jfrog.com/blog/cve-2025-11953-critical-react-native-community-cli-vulnerability
- https://x.com/SzymonRybczak/status/1986199665000566848
- https://x.com/thymikee/status/1986770875954475375
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-11953
- https://www.vulncheck.com/blog/metro4shell_eitw
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