CVE-2025-11953

9.8 CRITICAL CISA KEV - Actively Exploited
Published: November 03, 2025 Modified: February 06, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://jfrog.com/blog/cve-2025-11953-critical-react-native-community-cli-vulnerability
Source: reefs@jfrog.com
Exploit Mitigation Third Party Advisory
https://x.com/SzymonRybczak/status/1986199665000566848
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://x.com/thymikee/status/1986770875954475375
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-11953
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource
https://www.vulncheck.com/blog/metro4shell_eitw
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit Third Party Advisory

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
3.4%
87th percentile
Exploitation Status
Actively Exploited
Remediation due: 2026-02-26

Weaknesses (CWE)

Affected Vendors

react-native-community