Bump vite to 5.4.18 [SECURITY] #4804
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This PR contains the following updates:
5.4.14->5.4.18GitHub Vulnerability Alerts
CVE-2025-30208
Summary
The contents of arbitrary files can be returned to the browser.
Impact
Only apps explicitly exposing the Vite dev server to the network (using
--hostorserver.hostconfig option) are affected.Details
@fsdenies access to files outside of Vite serving allow list. Adding?raw??or?import&raw??to the URL bypasses this limitation and returns the file content if it exists. This bypass exists because trailing separators such as?are removed in several places, but are not accounted for in query string regexes.PoC
CVE-2025-31125
Summary
The contents of arbitrary files can be returned to the browser.
Impact
Only apps explicitly exposing the Vite dev server to the network (using
--hostorserver.hostconfig option) are affected.Details
?inline&import(originally reported as?import&?inline=1.wasm?init)?raw?import/@​fs/isn't needed to reproduce the issue for files inside the project root.PoC
Original report (check details above for simplified cases):
The ?import&?inline=1.wasm?init ending allows attackers to read arbitrary files and returns the file content if it exists. Base64 decoding needs to be performed twice
Example full URL
http://localhost:5173/@​fs/C:/windows/win.ini?import&?inline=1.wasm?initCVE-2025-31486
Summary
The contents of arbitrary files can be returned to the browser.
Impact
Only apps explicitly exposing the Vite dev server to the network (using --host or server.host config option) are affected..
Details
.svgRequests ending with
.svgare loaded at this line.https://github.com/vitejs/vite/blob/037f801075ec35bb6e52145d659f71a23813c48f/packages/vite/src/node/plugins/asset.ts#L285-L290
By adding
?.svgwith?.wasm?initor withsec-fetch-dest: scriptheader, the restriction was able to bypass.This bypass is only possible if the file is smaller than
build.assetsInlineLimit(default: 4kB) and when using Vite 6.0+.relative paths
The check was applied before the id normalization. This allowed requests to bypass with relative paths (e.g.
../../).PoC
npm create vite@latest cd vite-project/ npm install npm run devsend request to read
etc/passwdcurl 'http://127.0.0.1:5173/etc/passwd?.svg?.wasm?init'curl 'http://127.0.0.1:5173/@​fs/x/x/x/vite-project/?/../../../../../etc/passwd?import&?raw'CVE-2025-32395
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.
Details
HTTP 1.1 spec (RFC 9112) does not allow
#inrequest-target. Although an attacker can send such a request. For those requests with an invalidrequest-line(it includesrequest-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.urlcontains#. Vite assumedreq.urlwon't contain#when checkingserver.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.urldid not contain#.PoC
send request to read
/etc/passwdRelease Notes
vitejs/vite (vite)
v5.4.18Compare Source
Please refer to CHANGELOG.md for details.
v5.4.17Compare Source
Please refer to CHANGELOG.md for details.
v5.4.16Compare Source
v5.4.15Compare Source
Please refer to CHANGELOG.md for details.
Configuration
📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).
🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.
♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.
🔕 Ignore: Close this PR and you won't be reminded about these updates again.
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