SCA: security update for parcel-bundler (GHSA-37q6-576q-vgr7)

high Tenable Cloud Security Plugin ID 423226

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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. (CVE-2018-14731)

See Also

https://github.com/advisories/GHSA-37q6-576q-vgr7

Plugin Details

Severity: High

ID: 423226

Version: Revision 1.3

Type: Local

Family: SCA Checks

Published: 3/29/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2018-14731

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/30/2018

Vulnerability Publication Date: 9/21/2018

Reference Information

CVE: CVE-2018-14731

cwe: CWE-200