CVE-2025-56648

PoC ×2—

CVSS 3.1

6.5 medium

EPSS

<1%p15

Published

Sep 17, 2025 (Sep 17, 2025)

Modified

Jun 17, 2026

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.

Vendors: parceljs
Products: parcel
Weakness: CWE-346
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.2%)

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