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Bump express from 4.22.1 to 5.2.1#34

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Bump express from 4.22.1 to 5.2.1#34
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dependabot/npm_and_yarn/express-5.2.1

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@dependabot dependabot bot commented on behalf of github Jan 1, 2026

Bumps express from 4.22.1 to 5.2.1.

Release notes

Sourced from express's releases.

v5.2.1

What's Changed

[!IMPORTANT]
The prior release (5.2.0) included an erroneous breaking change related to the extended query parser. There is no actual security vulnerability associated with this behavior (CVE-2024-51999 has been rejected). The change has been fully reverted in this release.

Full Changelog: expressjs/express@v5.2.0...v5.2.1

v5.2.0

Important: Security

What's Changed

... (truncated)

Changelog

Sourced from express's changelog.

5.2.1 / 2025-12-01

  • Revert security fix for CVE-2024-51999 (GHSA-pj86-cfqh-vqx6)
    • The prior release (5.2.0) included an erroneous breaking change related to the extended query parser. There is no actual security vulnerability associated with this behavior (CVE-2024-51999 has been rejected). The change has been fully reverted in this release.

5.2.0 / 2025-12-01

  • Security fix for CVE-2024-51999 (GHSA-pj86-cfqh-vqx6)
  • deps: body-parser@^2.2.1
  • A deprecation warning was added when using res.redirect with undefined arguments, Express now emits a warning to help detect calls that pass undefined as the status or URL and make them easier to fix.

5.1.0 / 2025-03-31

  • Add support for Uint8Array in res.send()
  • Add support for ETag option in res.sendFile()
  • Add support for multiple links with the same rel in res.links()
  • Add funding field to package.json
  • perf: use loop for acceptParams
  • refactor: prefix built-in node module imports
  • deps: remove setprototypeof
  • deps: remove safe-buffer
  • deps: remove utils-merge
  • deps: remove methods
  • deps: remove depd
  • deps: debug@^4.4.0
  • deps: body-parser@^2.2.0
  • deps: router@^2.2.0
  • deps: content-type@^1.0.5
  • deps: finalhandler@^2.1.0
  • deps: qs@^6.14.0
  • deps: server-static@2.2.0
  • deps: type-is@2.0.1

5.0.1 / 2024-10-08

5.0.0 / 2024-09-10

  • remove:
    • path-is-absolute dependency - use path.isAbsolute instead
  • breaking:
    • res.status() accepts only integers, and input must be greater than 99 and less than 1000
      • will throw a RangeError: Invalid status code: ${code}. Status code must be greater than 99 and less than 1000. for inputs outside this range
      • will throw a TypeError: Invalid status code: ${code}. Status code must be an integer. for non integer inputs
    • deps: send@1.0.0

... (truncated)

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@dependabot
Bump express from 4.22.1 to 5.2.1
a60b2b1 
Bumps [express](https://github.com/expressjs/express) from 4.22.1 to 5.2.1.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](expressjs/express@v4.22.1...v5.2.1)

---
updated-dependencies:
- dependency-name: express
  dependency-version: 5.2.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot bot added dependencies Pull requests that update a dependency file javascript Pull requests that update javascript code labels Jan 1, 2026
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socket-security bot commented Jan 1, 2026

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff Package Supply Chain
Security		 Vulnerability Quality Maintenance License
Updatedexpress@​4.22.1 ⏵ 5.2.198 +110010094100

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socket-security bot commented Jan 1, 2026

Caution

Review the following alerts detected in dependencies.

According to your organization's Security Policy, you must resolve all "Block" alerts before proceeding. Learn more about Socket for GitHub.

Action Severity Alert  (click "▶" to expand/collapse)
Block Low
Publisher changed: npm accepts is now published by wesleytodd instead of dougwilson

New Author: wesleytodd

Previous Author: dougwilson

From: ? → npm/express@5.2.1 → npm/accepts@2.0.0

ℹ Read more on: This package | This alert | What is new author?

Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev.

Suggestion: Scrutinize new collaborator additions to packages because they now have the ability to publish code into your dependency tree. Packages should avoid frequent or unnecessary additions or changes to publishing rights.

Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/accepts@2.0.0. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.

Block Low
Publisher changed: npm content-disposition is now published by ulisesgascon instead of wesleytodd

New Author: ulisesgascon

Previous Author: wesleytodd

From: ? → npm/express@5.2.1 → npm/content-disposition@1.0.1

ℹ Read more on: This package | This alert | What is new author?

Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev.

Suggestion: Scrutinize new collaborator additions to packages because they now have the ability to publish code into your dependency tree. Packages should avoid frequent or unnecessary additions or changes to publishing rights.

Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/content-disposition@1.0.1. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.

Block Low
Embedded URLs or IPs: npm iconv-lite

URLs: https://github.com/ashtuchkin/iconv-lite/wiki/Use-Buffers-when-decoding, https://github.com/ashtuchkin/iconv-lite/wiki/Javascript-source-file-encodings

Location: Package overview

From: ? → npm/express@5.2.1 → npm/iconv-lite@0.7.1

ℹ Read more on: This package | This alert | What are URL strings?

Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev.

Suggestion: Review all remote URLs to ensure they are intentional, pointing to trusted sources, and not being used for data exfiltration or loading untrusted code at runtime.

Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/iconv-lite@0.7.1. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.

Block Low
Unmaintained: npm is-promise was last published 6 years ago

Last Publish: 4/27/2020, 3:34:23 PM

From: ? → npm/express@5.2.1 → npm/is-promise@4.0.0

ℹ Read more on: This package | This alert | What are unmaintained packages?

Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev.

Suggestion: Package should publish periodic maintenance releases if they are maintained, or deprecate if they have no intention in further maintenance.

Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/is-promise@4.0.0. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.

Block Low
Publisher changed: npm negotiator is now published by wesleytodd instead of dougwilson

New Author: wesleytodd

Previous Author: dougwilson

From: ? → npm/express@5.2.1 → npm/negotiator@1.0.0

ℹ Read more on: This package | This alert | What is new author?

Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev.

Suggestion: Scrutinize new collaborator additions to packages because they now have the ability to publish code into your dependency tree. Packages should avoid frequent or unnecessary additions or changes to publishing rights.

Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/negotiator@1.0.0. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.

Block Low
Unmaintained: npm once was last published 9 years ago

Last Publish: 9/6/2016, 9:11:09 PM

From: ? → npm/express@5.2.1 → npm/once@1.4.0

ℹ Read more on: This package | This alert | What are unmaintained packages?

Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev.

Suggestion: Package should publish periodic maintenance releases if they are maintained, or deprecate if they have no intention in further maintenance.

Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/once@1.4.0. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.

Block Low
Publisher changed: npm router is now published by ulisesgascon instead of wesleytodd

New Author: ulisesgascon

Previous Author: wesleytodd

From: ? → npm/express@5.2.1 → npm/router@2.2.0

ℹ Read more on: This package | This alert | What is new author?

Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev.

Suggestion: Scrutinize new collaborator additions to packages because they now have the ability to publish code into your dependency tree. Packages should avoid frequent or unnecessary additions or changes to publishing rights.

Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/router@2.2.0. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.

Block Low
Publisher changed: npm type-is is now published by ulisesgascon instead of wesleytodd

New Author: ulisesgascon

Previous Author: wesleytodd

From: ? → npm/express@5.2.1 → npm/type-is@2.0.1

ℹ Read more on: This package | This alert | What is new author?

Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev.

Suggestion: Scrutinize new collaborator additions to packages because they now have the ability to publish code into your dependency tree. Packages should avoid frequent or unnecessary additions or changes to publishing rights.

Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/type-is@2.0.1. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.

Block Low
Publisher changed: npm wrappy is now published by zkat instead of isaacs

New Author: zkat

Previous Author: isaacs

From: ? → npm/express@5.2.1 → npm/wrappy@1.0.2

ℹ Read more on: This package | This alert | What is new author?

Next steps: Take a moment to review the security alert above. Review the linked package source code to understand the potential risk. Ensure the package is not malicious before proceeding. If you're unsure how to proceed, reach out to your security team or ask the Socket team for help at support@socket.dev.

Suggestion: Scrutinize new collaborator additions to packages because they now have the ability to publish code into your dependency tree. Packages should avoid frequent or unnecessary additions or changes to publishing rights.

Mark the package as acceptable risk. To ignore this alert only in this pull request, reply with the comment @SocketSecurity ignore npm/wrappy@1.0.2. You can also ignore all packages with @SocketSecurity ignore-all. To ignore an alert for all future pull requests, use Socket's Dashboard to change the triage state of this alert.

View full report

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