CVE-2025-11953: React Native Community CLI · OS Command Injection
Affects React Native Community CLISource CVE Database V5
Exploited in the wild · KEV due 26 Feb 2026 · public detection template (Nuclei) · 93% EPSS : apply the vendor's fix or mitigations to React Native Community CLI now.
Data as of 26 Oct 2026, 14:05 UTC
- KEV deadline
- US federal agencies must patch by this date; a sensible deadline for everyone else. Other KEV due dates
- EPSS
- 93.9% chance of exploitation in 30 days – higher than 99% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 3 Nov 2025
Detectable: evidence found.
nuclei template: React Native Community CLI - Unauthenticated OS Command Injection
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: evidence found.
Listed in CISA KEV 94 days after disclosure
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
Timeline
CVE ID reserved
by JFrog
, 14 days before disclosure
CVE published
on cve.org
, t = 0
In Threat Radar
record ingested
, 12 minutes after disclosure
Added to CISA KEV (opens in a new tab)
exploitation confirmed
, 94 days after disclosure
KEV remediation due
US federal deadline
, 115 days after disclosure
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
npmmetropkg:npm/metroOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
CVE-2025-11953 is a critical OS command injection vulnerability in the Metro Development Server version 4.8.0 used by the React Native Community CLI. The server binds to external interfaces by default and exposes an endpoint that allows unauthenticated network attackers to execute arbitrary commands. On Windows systems, this enables attackers to run shell commands with fully controlled arguments. The vulnerability has a CVSS score of 9.8, indicating critical severity. No patch or official remediation information is currently available.
References
- jfrog.com/blog/cve-2025-11953-critical-react-native-community-cli-vulnerability (opens in a new tab)
- github.com/react-native-community/cli/commit/15089907d1f1301b22c72d7f68846a2ef20df547 (opens in a new tab)
- vulncheck.com/blog/metro4shell_eitw (opens in a new tab)
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-11953 (opens in a new tab)
- x.com/SzymonRybczak/status/1986199665000566848 (opens in a new tab)
- x.com/thymikee/status/1986770875954475375 (opens in a new tab)