What is CVE-2025-11953?

CVE-2025-11953 is a critical-severity vulnerability in React-Native-Community React Native Community Cli, classified under OS Command Injection. CVSS score: 9.8/10. Published 2025-11-03.

How severe is CVE-2025-11953?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2025-11953 known to be exploited?

Yes. CVE-2025-11953 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-02-05), indicating it is being actively exploited. 5 public proof-of-concept repositories are indexed.

RCE in React-Native-Community React Native Community Cli

CVE-2025-11953

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.

Vulnerability class: Command Injection (OS Command Injection)

Published 2025-11-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.940 (99.8th percentile), scored 2026-10-15.

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.940 · newest: 0.940 · change: 0.000

Affected products

React-Native-Community React Native Community Cli — versions 18.0.0, 20.0.0

Weakness classification (CWE)

CWE-78 — OS Command Injection

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2026-02-05. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2026-02-26.

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Public proof-of-concept exploits

References

jfrog.com/blog/cve-2025-11953-critical-react-native-community-cli-vulnerability (Exploit, technical-description, Third Party Advisory, Mitigation)
github.com/react-native-community/cli/commit/15089907d1f1301b22c72d7f68846a2ef2… (Patch, patch)
af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-11953?: CVE-2025-11953 is a critical-severity vulnerability in React-Native-Community React Native Community Cli, classified under OS Command Injection. CVSS score: 9.8/10. Published 2025-11-03.
How severe is CVE-2025-11953?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-11953 known to be exploited?: Yes. CVE-2025-11953 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-02-05), indicating it is being actively exploited. 5 public proof-of-concept repositories are indexed.