CVE-2025-11953
unknown
KEV
CVSS v3
—
CVSS v4 NEW
—
VIR risk
1.5
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.
CISA KEV
- Vendor
- React Native Community
- Product
- CLI
- Due date
- 2026-02-26
Predictions
Exploit likelihood
99%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
{Vendor advisory: cisa-kev — This 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
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | @react-native-community/cli | >=20.0.0-alpha.0,<20.0.0 | 20.0.0 |
| npm | @react-native-community/cli | >=19.0.0-alpha.0,<19.1.2 | 19.1.2 |
| npm | @react-native-community/cli | >=18.0.0,<18.0.1 | 18.0.1 |
| npm | @react-native-community/cli-server-api | >=20.0.0-alpha.0,<20.0.0 | 20.0.0 |
| npm | @react-native-community/cli-server-api | >=19.0.0-alpha.0,<19.1.2 | 19.1.2 |
| npm | @react-native-community/cli-server-api | >=18.0.0,<18.0.1 | 18.0.1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-11953
- https://github.com/react-native-community/cli/issues/2733#issuecomment-3502424164
- https://github.com/react-native-community/cli/pull/1615
- https://github.com/react-native-community/cli/commit/15089907d1f1301b22c72d7f68846a2ef20df547
- https://github.com/react-native-community/cli/commit/5a792169d9883e0b0fb1ddf1ea46778f21510d18
- https://github.com/react-native-community/cli/commit/9e1fa8cc633e5dcf32244ffa60a871880be56722
- https://github.com/react-native-community/cli/commit/a8293dc29425f56249753507bc24d87b698d46e1
- https://github.com/react-native-community/cli
- https://github.com/react-native-community/cli/releases/tag/v20.0.0
- https://github.com/react-native-community/cli?tab=readme-ov-file#compatibility
- https://jfrog.com/blog/cve-2025-11953-critical-react-native-community-cli-vulnerability
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-11953
- https://www.vulncheck.com/blog/metro4shell_eitw
- https://x.com/SzymonRybczak/status/1986199665000566848
- https://x.com/szymonrybczak/status/1986199665000566848?s=46
- https://x.com/thymikee/status/1986770875954475375
- This 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
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.