AUGUST 4, 2026
Live Feed
Return to register
Case File

CVE-2018-6342

CRITICAL · CVSS 9.8 EPSS 2.84% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-12-31 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

Exhibit — Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2018-6342
Severity
CRITICAL
CVSS
9.8
EPSS
2.84%
Windows

Original Filing — NVD Description

react-dev-utils on Windows allows developers to run a local webserver for accepting various commands, including a command to launch an editor. The input to that command was not properly sanitized, allowing an attacker who can make a network request to the server (either via CSRF or by direct request) to execute arbitrary commands on the targeted system. This issue affects multiple branches: 1.x.x prior to 1.0.4, 2.x.x prior to 2.0.2, 3.x.x prior to 3.1.2, 4.x.x prior to 4.2.2, and 5.x.x prior to 5.0.2.