Missing Origin Validation in WebSockets in webpack-dev-server - CVE-2018-14732

 

Missing Origin Validation in WebSockets in webpack-dev-server - CVE-2018-14732

Published: May 29, 2025


Vulnerability identifier: #VU109924
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-14732
CWE-ID: CWE-1385
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to missing origin validation on the WebSocket interface in lib/Server.js. A remote attacker can trick the victim into visiting a malicious website that can open a WebSocket connection to localhost and access component source code.


Affected software

webpack-dev-server
watsonx Orchestrate Developer Edition
Maximo Application Suite - Edge Data Collector
watsonx.data
IBM Cognos Controller

How to mitigate CVE-2018-14732

Install updates from vendor's website.

webpack-dev-server - update to 3.1.6
watsonx Orchestrate Developer Edition - update to 1.15.0
watsonx.data - update to 2.3.1
Maximo Application Suite - Edge Data Collector - addressed in versions 8.11.23, 9.0.15, 9.1.5
IBM Cognos Controller - addressed in versions 11.0.1 FP7, 11.1.2 FP1

External References

Related Security Bulletins