CVE-2025-56648

CVSS 6.5 MEDIUMEPSS 0.2%CWE-346

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/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected products

n/a · n/a

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References

https://gist.github.com/R4356th/41f468def606b2406e36f7193f5322b8 https://github.com/parcel-bundler/parcel/commit/4bc56e3242a85491c7edf589966e9b44c6330c49 https://github.com/parcel-bundler/parcel/discussions/10089 https://github.com/parcel-bundler/parcel/issues/10216