Most recent entries from all

EUVD-2026-67209

fkie_cve-2018-14731

An issue was discovered in HMRServer.js in Parcel parcel-bundler. Attackers are able to steal developer's code because the origin of requests is not checked by the WebSocket server, which is used for HMR (Hot Module Replacement). Anyone can receive the HMR message sent by the WebSocket server via a ws://127.0.0.1 connection (with a random TCP port number) from any origin. The random port number can be found by connecting to http://127.0.0.1 and reading the "new WebSocket" line in the source code.

GHSA-37q6-576q-vgr7 — Missing Origin Validation in parcel-bundler

Affected: npm: parcel-bundler

Versions of `parcel-bundler` before 1.10.0 are missing origin validation on the websocket server. This vulnerability allows a remote attacker to steal a developer's source code because the origin of requests to the websocket server that is used for Hot Module Replacement (HMR) are not validated.

## Recommendation

Update to version 1.10.0 or later.

Most recent entries from all

EUVD-2026-67209

fkie_cve-2018-14731

GHSA-37q6-576q-vgr7 — Missing Origin Validation in parcel-bundler

gsd-2018-14731