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[Snyk] Upgrade express from 4.17.1 to 4.22.1 #716

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[Snyk] Upgrade express from 4.17.1 to 4.22.1 #716

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@nejidevelops nejidevelops commented Jan 11, 2026

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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 Allocation of Resources Without Limits or Throttling
SNYK-JS-QS-14724253		 624 Proof of Concept
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
c74a08b 
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 Jan 11, 2026

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 automates the upgrade of the express framework to version 4.22.1 to enhance the project's security posture. The upgrade resolves several critical vulnerabilities identified by Snyk, ranging from high-severity resource consumption issues to various forms of cross-site scripting and denial-of-service attacks. This ensures the application benefits from the latest security patches and dependency updates without introducing breaking changes.

Highlights

  • Dependency Upgrade: Upgraded the express framework from version 4.17.1 to 4.22.1.
  • Security Fixes: Addressed multiple high and medium severity vulnerabilities, including Asymmetric Resource Consumption, Allocation of Resources Without Limits or Throttling, Prototype Poisoning, Cross-site Scripting (XSS), Open Redirect, and Regular Expression Denial of Service (ReDoS).
  • Transitive Dependency Updates: Numerous underlying dependencies of express were also updated to their latest versions to ensure overall project security and stability.

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Code Review

This pull request upgrades express from 4.17.1 to 4.22.1, addressing several security vulnerabilities. This is a highly recommended update.

While this is a minor version bump and should be safe to merge, I'd like to point out two things for your consideration:

  1. Potential Breaking Change: express@4.20.0 changed the default depth for parsing URL-encoded data from Infinity to 32. This is a security enhancement to prevent DoS attacks. Based on server.ts, this is unlikely to affect your application, but it's important to be aware of.

  2. Code Improvement Suggestion: The file server.ts (not part of this PR) uses require('body-parser'). Since Express v4.16.0, body-parser's functionality is built-in. I recommend replacing app.use(bodyParser.json()) with app.use(express.json()) in a future refactor. This will modernize your code and remove a fragile reliance on a transitive dependency.

Overall, the dependency upgrade is correct and significantly improves the project's security.

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