npm parcel 2.0.0-alpha and before has 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.
History

Fri, 19 Sep 2025 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Parceljs
Parceljs parcel
Vendors & Products Parceljs
Parceljs parcel

Wed, 17 Sep 2025 20:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-346
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 17 Sep 2025 19:15:00 +0000

Type Values Removed Values Added
Description npm parcel 2.0.0-alpha and before has 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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-09-17T19:21:49.919Z

Reserved: 2025-08-17T00:00:00.000Z

Link: CVE-2025-56648

cve-icon Vulnrichment

Updated: 2025-09-17T19:19:58.626Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-09-17T19:15:46.963

Modified: 2025-09-18T13:43:34.310

Link: CVE-2025-56648

cve-icon Redhat

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