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[Snyk] Upgrade express from 4.17.1 to 4.22.1 #707

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[Snyk] Upgrade express from 4.17.1 to 4.22.1 #707

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@nejidevelops nejidevelops commented Dec 28, 2025

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Snyk has created this PR to upgrade express from 4.17.1 to 4.22.1.

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.

  • The recommended version is 15 versions ahead of your current version.

  • The recommended version was released a month ago.

Issues fixed by the recommended upgrade:

Issue Score Exploit Maturity
high severity Asymmetric Resource Consumption (Amplification)
SNYK-JS-BODYPARSER-7926860		 624 No Known Exploit
high severity Prototype Poisoning
SNYK-JS-QS-3153490		 624 Proof of Concept
medium severity Cross-site Scripting (XSS)
SNYK-JS-COOKIE-8163060		 624 No Known Exploit
medium severity Open Redirect
SNYK-JS-EXPRESS-6474509		 624 No Known Exploit
medium severity Cross-site Scripting
SNYK-JS-EXPRESS-7926867		 624 No Known Exploit
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-PATHTOREGEXP-7925106		 624 Proof of Concept
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-PATHTOREGEXP-8482416		 624 Proof of Concept
low severity Cross-site Scripting
SNYK-JS-SEND-7926862		 624 No Known Exploit
low severity Cross-site Scripting
SNYK-JS-SERVESTATIC-7926865		 624 No Known Exploit
Release notes
Package name: express from express GitHub release notes

Important

  • 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:

@snyk-bot
fix: upgrade express from 4.17.1 to 4.22.1
a5f278e 
Snyk has created this PR to upgrade express from 4.17.1 to 4.22.1.

See this package in npm:
express

See this project in Snyk:
https://app.snyk.io/org/newtonombese1/project/8ab66a5a-4d64-4272-b0f2-823ad2c32953?utm_source=github&utm_medium=referral&page=upgrade-pr
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gemini-code-assist bot commented Dec 28, 2025

Summary of Changes

Hello @nejidevelops, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request, automatically generated by Snyk, updates the express dependency to version 4.22.1. The primary goal is to enhance the project's security posture by resolving multiple identified vulnerabilities across various components, ranging from high to low severity. This update also incorporates several bug fixes and minor improvements from intermediate versions, ensuring the application benefits from the latest stability and security patches.

Highlights

  • Dependency Upgrade: The express package has been upgraded from version 4.17.1 to 4.22.1 to incorporate the latest features, bug fixes, and security patches.
  • Security Fixes: This upgrade addresses several security vulnerabilities, including high-severity issues like Asymmetric Resource Consumption (SNYK-JS-BODYPARSER-7926860) and Prototype Poisoning (SNYK-JS-QS-3153490), as well as various medium and low-severity Cross-site Scripting (XSS) and Regular Expression Denial of Service (ReDoS) vulnerabilities.
  • Breaking Change Reversion: Version 4.22.1 specifically reverts an erroneous breaking change related to the extended query parser that was inadvertently introduced in 4.22.0, ensuring compatibility for applications relying on this functionality.
  • URL-encoded Data Depth Limit: An important change introduced in version 4.20.0 is that the default depth level for parsing URL-encoded data is now 32 (previously Infinity), which could affect applications that rely on deeply nested URL-encoded parameters.

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Code Review

This pull request upgrades the express dependency from 4.17.1 to 4.22.1. This is a valuable security update that addresses several vulnerabilities, including high-severity issues. The change is approved. I have added one suggestion to also update the corresponding TypeScript type definitions to maintain consistency and prevent potential type-related issues.

course-02/exercises/udacity-c2-basic-server/package.json
},
"dependencies": {
"express": "^4.17.1"
"express": "^4.22.1"
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medium

Upgrading express is a good move for security. To ensure type safety and consistency, it's also recommended to update the corresponding type definitions. The @types/express dependency in devDependencies is currently on version ^4.17.9. Please consider upgrading it to a more recent version compatible with express@4.22.1, such as ^4.17.21, which is the latest for the express 4.x line.

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