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[Snyk] Upgrade express from 4.17.1 to 4.21.2#5

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[Snyk] Upgrade express from 4.17.1 to 4.21.2#5
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@balagpy balagpy commented Sep 10, 2025

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Snyk has created this PR to upgrade express from 4.17.1 to 4.21.2.

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 13 versions ahead of your current version.

  • The recommended version was released 9 months ago.

Issues fixed by the recommended upgrade:

Issue Score Exploit Maturity
high severity Prototype Poisoning
SNYK-JS-QS-3153490
666 Proof of Concept
high severity Asymmetric Resource Consumption (Amplification)
SNYK-JS-BODYPARSER-7926860
666 No Known Exploit
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-PATHTOREGEXP-8482416
666 Proof of Concept
medium severity Cross-site Scripting (XSS)
SNYK-JS-COOKIE-8163060
666 No Known Exploit
medium severity Open Redirect
SNYK-JS-EXPRESS-6474509
666 No Known Exploit
medium severity Cross-site Scripting
SNYK-JS-EXPRESS-7926867
666 No Known Exploit
medium severity Regular Expression Denial of Service (ReDoS)
SNYK-JS-PATHTOREGEXP-7925106
666 Proof of Concept
low severity Cross-site Scripting
SNYK-JS-SEND-7926862
666 No Known Exploit
low severity Cross-site Scripting
SNYK-JS-SERVESTATIC-7926865
666 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:

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