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[Snyk] Upgrade webpack-dev-server from 4.15.1 to 5.2.1 #30

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[Snyk] Upgrade webpack-dev-server from 4.15.1 to 5.2.1 #30

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@nerdy-tech-com-gitub nerdy-tech-com-gitub commented Jun 14, 2025 •
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Snyk has created this PR to upgrade webpack-dev-server from 4.15.1 to 5.2.1.

ℹ️ Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

⚠️ Warning: This PR contains major version upgrade(s), and may be a breaking change.

  • The recommended version is 9 versions ahead of your current version.

  • The recommended version was released 3 months ago.

Issues fixed by the recommended upgrade:

Issue Score Exploit Maturity
high severity Origin Validation Error
SNYK-JS-WEBPACKDEVSERVER-10300775		 67 Proof of Concept
high severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-CROSSSPAWN-8303230		 67 Proof of Concept
high severity Denial of Service (DoS)
SNYK-JS-HTTPPROXYMIDDLEWARE-8229906		 67 Proof of Concept
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-PATHTOREGEXP-8482416		 67 Proof of Concept
medium severity Cross-site Scripting (XSS)
SNYK-JS-SERIALIZEJAVASCRIPT-6147607		 67 Proof of Concept
medium severity Exposed Dangerous Method or Function
SNYK-JS-WEBPACKDEVSERVER-10300777		 67 Proof of Concept
medium severity Cross-site Scripting (XSS)
SNYK-JS-COOKIE-8163060		 67 No Known Exploit
medium severity Always-Incorrect Control Flow Implementation
SNYK-JS-HTTPPROXYMIDDLEWARE-9691387		 67 No Known Exploit
medium severity Improper Check for Unusual or Exceptional Conditions
SNYK-JS-HTTPPROXYMIDDLEWARE-9691389		 67 No Known Exploit
medium severity Improper Input Validation
SNYK-JS-NANOID-8492085		 67 No Known Exploit
Release notes
Package name: webpack-dev-server
  • 5.2.1 - 2025-03-26

    5.2.1 (2025-03-26)

    Security

    • cross-origin requests are not allowed unless allowed by Access-Control-Allow-Origin header
    • requests with an IP addresses in the Origin header are not allowed to connect to WebSocket server unless configured by allowedHosts or it different from the Host header

    The above changes may make the dev server not work if you relied on such behavior, but unfortunately they carry security risks, so they were considered as fixes.

    Bug Fixes

    • prevent overlay for errors caught by React error boundaries (#5431) (8c1abc9)
    • take the first network found instead of the last one, this restores the same behavior as 5.0.4 (#5411) (ffd0b86)
  • 5.2.0 - 2024-12-11

    5.2.0 (2024-12-11)

    Features

    • added getClientEntry and getClientHotEntry methods to get clients entries (dc642a8)

    Bug Fixes

    • speed up initial client bundling (145b5d0)
  • 5.1.0 - 2024-09-03

    5.1.0 (2024-09-03)

    Features

    • add visual progress indicators (a8f40b7)
    • added the app option to be Function (by default only with connect compatibility frameworks) (3096148)
    • allow the server option to be Function (#5275) (02a1c6d)
    • http2 support for connect and connect compatibility frameworks which support HTTP2 (#5267) (6509a3f)

    Bug Fixes

  • 5.0.4 - 2024-03-19

    5.0.4 (2024-03-19)

    Bug Fixes

  • 5.0.3 - 2024-03-12

    5.0.3 (2024-03-12)

    Bug Fixes

  • 5.0.2 - 2024-02-16

    5.0.2 (2024-02-16)

    Bug Fixes

  • 5.0.1 - 2024-02-13

    5.0.1 (2024-02-13)

    Bug Fixes

  • 5.0.0 - 2024-02-12

    5.0.0 (2024-02-12)

    Migration Guide and Changes.

  • 4.15.2 - 2024-03-20

    4.15.2 (2024-03-20)

    Bug Fixes

    • security: bump webpack-dev-middleware (4116209)
  • 4.15.1 - 2023-06-09

    4.15.1 (2023-06-09)

    Bug Fixes

    • replace :: with localhost before openBrowser() (#4856) (874c44b)
    • types: compatibility with @ types/ws (#4899) (34bcec2)
from webpack-dev-server GitHub release notes

Important

  • Warning: This PR contains a major version upgrade, and may be a breaking change.
  • Check the changes in this PR to ensure they won't cause issues with your project.
  • This PR was automatically created by Snyk using the credentials of a real user.
  • Max score is 1000. Note that the real score may have changed since the PR was raised.

Note: You are seeing this because you or someone else with access to this repository has authorized Snyk to open upgrade PRs.

For more information:

Summary by Sourcery

Upgrade webpack-dev-server from 4.15.1 to 5.2.1 to address multiple security vulnerabilities and bring in the latest upstream fixes and enhancements.

Bug Fixes:

  • Resolve high- and medium-severity security vulnerabilities including ReDoS, DoS, XSS, origin validation errors, and improper input validation in webpack-dev-server and its dependencies.

Enhancements:

  • Enforce stricter Access-Control-Allow-Origin and host validation for cross-origin and WebSocket requests.
  • Include upstream fixes for error overlay behavior and consistent network interface selection in the development server.

@snyk-bot
feat: upgrade webpack-dev-server from 4.15.1 to 5.2.1
e6fc09e 
Snyk has created this PR to upgrade webpack-dev-server from 4.15.1 to 5.2.1.

See this package in npm:
webpack-dev-server

See this project in Snyk:
https://app.snyk.io/org/nerds-github/project/aa77fd79-7d27-4ab0-9d41-5dd117531784?utm_source=github&utm_medium=referral&page=upgrade-pr
@sourcery-ai Sourcery AI
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sourcery-ai bot commented Jun 14, 2025 •
edited
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Reviewer's Guide

This PR updates the project’s development server by bumping webpack-dev-server from v4.15.0 to v5.2.1 in package.json, addressing multiple security vulnerabilities through a major version upgrade; reviewers should confirm dev-server configurations and compatibility with breaking changes introduced in v5.

File-Level Changes

Change Details Files
Upgrade webpack-dev-server to a new major version
  • Bump webpack-dev-server version from ^4.15.0 to ^5.2.1 in package.json
 glances/outputs/static/package.json
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