GHSA-qm9p-f9j5-w83wMediumCVSS 6.5

Parcel has an Origin Validation Error vulnerability

Published
September 17, 2025
Last Modified
April 13, 2026

🔗 CVE IDs covered (1)

📋 Description

parcel versions 1.6.1 and above have an Origin Validation Error vulnerability. Malicious websites can send XMLHTTPRequests to the application's development server and read the response to steal source code when developers visit them. Version 2.16.4 supports a --no-cors option which disables CORS headers in the dev server.

🎯 Affected products1

  • npm/@parcel/reporter-dev-server:>= 1.6.1, <= 2.16.3

🔗 References (8)