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@depfu depfu bot commented Apr 11, 2025


🚨 Your current dependencies have known security vulnerabilities 🚨

This dependency update fixes known security vulnerabilities. Please see the details below and assess their impact carefully. We recommend to merge and deploy this as soon as possible!


Here is everything you need to know about this update. Please take a good look at what changed and the test results before merging this pull request.

What changed?

✳️ vite (5.4.17 β†’ 5.4.18) Β· Repo Β· Changelog

Security Advisories 🚨

🚨 Vite has an `server.fs.deny` bypass with an invalid `request-target`

Summary

The contents of arbitrary files can be returned to the browser if the dev server is running on Node or Bun.

Impact

Only apps with the following conditions are affected.

  • explicitly exposing the Vite dev server to the network (using --host or server.host config option)
  • running the Vite dev server on runtimes that are not Deno (e.g. Node, Bun)

Details

HTTP 1.1 spec (RFC 9112) does not allow # in request-target. Although an attacker can send such a request. For those requests with an invalid request-line (it includes request-target), the spec recommends to reject them with 400 or 301. The same can be said for HTTP 2 (ref1, ref2, ref3).

On Node and Bun, those requests are not rejected internally and is passed to the user land. For those requests, the value of http.IncomingMessage.url contains #. Vite assumed req.url won't contain # when checking server.fs.deny, allowing those kinds of requests to bypass the check.

On Deno, those requests are not rejected internally and is passed to the user land as well. But for those requests, the value of http.IncomingMessage.url did not contain #.

PoC

npm create vite@latest
cd vite-project/
npm install
npm run dev

send request to read /etc/passwd

curl --request-target /@fs/Users/doggy/Desktop/vite-project/#/../../../../../etc/passwd http://127.0.0.1:5173
Release Notes

5.4.18

Please refer to CHANGELOG.md for details.

Does any of this look wrong? Please let us know.

Commits

See the full diff on Github. The new version differs by 2 commits:


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@depfu depfu bot added the depfu label Apr 11, 2025
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@github-actions github-actions bot merged commit 3d07d2f into main Apr 11, 2025
8 checks passed
@depfu depfu bot deleted the depfu/update/pnpm/vite-5.4.18 branch April 11, 2025 16:17
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