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[Snyk] Upgrade express from 4.17.1 to 4.22.1 #715

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[Snyk] Upgrade express from 4.17.1 to 4.22.1 #715

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@nejidevelops nejidevelops commented Jan 3, 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 Prototype Pollution
SNYK-JS-DOTTIE-3332763		 436 Proof of Concept
high severity Improper Verification of Cryptographic Signature
SNYK-JS-JWS-14188253		 436 No Known Exploit
high severity Code Injection
SNYK-JS-LODASH-1040724		 436 Proof of Concept
high severity Directory Traversal
SNYK-JS-MOMENT-2440688		 436 No Known Exploit
high severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-MOMENT-2944238		 436 Proof of Concept
high severity Prototype Poisoning
SNYK-JS-QS-3153490		 436 Proof of Concept
high severity Arbitrary File Overwrite
SNYK-JS-TAR-1536528		 436 No Known Exploit
high severity Arbitrary File Overwrite
SNYK-JS-TAR-1536531		 436 No Known Exploit
high severity Arbitrary File Write
SNYK-JS-TAR-1579147		 436 No Known Exploit
high severity Arbitrary File Write
SNYK-JS-TAR-1579152		 436 No Known Exploit
high severity Arbitrary File Write
SNYK-JS-TAR-1579155		 436 No Known Exploit
high severity Incomplete Filtering of One or More Instances of Special Elements
SNYK-JS-VALIDATOR-13653476		 436 Proof of Concept
high severity Asymmetric Resource Consumption (Amplification)
SNYK-JS-BODYPARSER-7926860		 436 No Known Exploit
medium severity Cross-site Scripting (XSS)
SNYK-JS-COOKIE-8163060		 436 No Known Exploit
medium severity Open Redirect
SNYK-JS-EXPRESS-6474509		 436 No Known Exploit
medium severity Cross-site Scripting
SNYK-JS-EXPRESS-7926867		 436 No Known Exploit
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-LODASH-1018905		 436 Proof of Concept
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-MINIMATCH-3050818		 436 No Known Exploit
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-PATHTOREGEXP-7925106		 436 Proof of Concept
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-PATHTOREGEXP-8482416		 436 Proof of Concept
medium severity Uncontrolled Resource Consumption ('Resource Exhaustion')
SNYK-JS-TAR-6476909		 436 Proof of Concept
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-VALIDATOR-1090599		 436 Proof of Concept
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-VALIDATOR-1090601		 436 Proof of Concept
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-VALIDATOR-1090602		 436 Proof of Concept
medium severity Improper Validation of Specified Type of Input
SNYK-JS-VALIDATOR-13395830		 436 Proof of Concept
medium severity Prototype Pollution
SNYK-JS-XML2JS-5414874		 436 Proof of Concept
low severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-BRACEEXPANSION-9789073		 436 Proof of Concept
low severity Prototype Pollution
SNYK-JS-MINIMIST-2429795		 436 Proof of Concept
low severity Cross-site Scripting
SNYK-JS-SEND-7926862		 436 No Known Exploit
low severity Cross-site Scripting
SNYK-JS-SERVESTATIC-7926865		 436 No Known Exploit
low severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-TAR-1536758		 436 No Known Exploit
low severity Regular Expression Denial of Service (ReDoS)
npm:debug:20170905		 436 Proof of Concept
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
8669f1e 
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/1daa4791-9c53-4cad-8759-d7bd88ccc53a?utm_source=github&utm_medium=referral&page=upgrade-pr
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gemini-code-assist bot commented Jan 3, 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, automatically generated by Snyk, focuses on improving the project's security posture by upgrading the express framework to its latest stable version, 4.22.1. This crucial update addresses a wide array of identified vulnerabilities, ranging from critical high-severity issues like Prototype Pollution and Code Injection to numerous medium and low-severity concerns, ensuring the application benefits from the most recent security patches and stability improvements.

Highlights

  • Dependency Upgrade: The express dependency has been upgraded from version 4.17.1 to 4.22.1.
  • Security Fixes: This upgrade resolves a significant number of high, medium, and low severity vulnerabilities, including Prototype Pollution, Code Injection, Directory Traversal, and various Regular Expression Denial of Service (ReDoS) issues across several underlying dependencies.
  • Version Span: The update covers 15 versions of express, bringing the project up to a more recent and secure state.

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Code Review

This pull request upgrades the express package from version 4.17.1 to 4.22.1, which is an important security update that resolves numerous vulnerabilities. While the change in package.json is correct, the pull request is incomplete as it's missing the corresponding update to package-lock.json. It is critical to run npm install and commit the updated package-lock.json to ensure that the dependency tree is correctly resolved and that these security patches are applied consistently across all environments.

course-02/exercises/udacity-c2-restapi/package.json
"body-parser": "^1.19.0",
"email-validator": "^2.0.4",
"express": "^4.17.1",
"express": "^4.22.1",
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critical

This dependency upgrade is incomplete without the corresponding package-lock.json update. Please run npm install to generate the updated lock file and commit it as part of this pull request. This is crucial for ensuring reproducible builds and guaranteeing that the security vulnerabilities are patched in all environments.

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