VulnerabilityModified
CVE-2025-56648
npm parcel 2.0.0-alpha and before has an Origin Validation Error vulnerability.
MEDIUM 6.5EPSS 0.24%
Does this matter?
Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- EPSS
- 0.24% probability · 15th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-346
- Affected
- parceljs/parcel
- Source
- cve@mitre.org
References
- https://gist.github.com/R4356th/41f468def606b2406e36f7193f5322b8Exploit
- https://github.com/parcel-bundler/parcel/commit/4bc56e3242a85491c7edf589966e9b44c6330c49
- https://github.com/parcel-bundler/parcel/discussions/10089Issue Tracking
- https://github.com/parcel-bundler/parcel/issues/10216Exploit, Issue Tracking
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.