Update dependency vite to v7.3.5 [SECURITY] - #766
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This PR contains the following updates:
7.1.1→7.3.5Vite's
server.fssettings were not applied to HTML filesCVE-2025-58752 / GHSA-jqfw-vq24-v9c3
More information
Details
Summary
Any HTML files on the machine were served regardless of the
server.fssettings.Impact
Only apps that match the following conditions are affected:
appType: 'spa'(default) orappType: 'mpa'is usedThis vulnerability also affects the preview server. The preview server allowed HTML files not under the output directory to be served.
Details
The serveStaticMiddleware function is in charge of serving static files from the server. It returns the viteServeStaticMiddleware function which runs the needed tests and serves the page. The viteServeStaticMiddleware function checks if the extension of the requested file is ".html". If so, it doesn't serve the page. Instead, the server will go on to the next middlewares, in this case htmlFallbackMiddleware, and then to indexHtmlMiddleware. These middlewares don't perform any test against allow or deny rules, and they don't make sure that the accessed file is in the root directory of the server. They just find the file and send back its contents to the client.
PoC
Execute the following shell commands:
Then, in a different shell, run the following command:
curl -v --path-as-is 'http://localhost:5173/../../../../../../../../../../../tmp/secret.html'The contents of /tmp/secret.html will be returned.
This will also work for HTML files that are in the root directory of the project, but are in the deny list (or not in the allow list). Test that by stopping the running server (CTRL+C), and running the following commands in the server's shell:
Then, in a different shell, run the following command:
curl -v --path-as-is 'http://localhost:5173/secret_files/secret.txt'You will receive a 403 HTTP Response, because everything in the secret_files directory is denied.
Now in the same shell run the following command:
curl -v --path-as-is 'http://localhost:5173/secret_files/secret.html'You will receive the contents of secret_files/secret.html.
Severity
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:NReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
Vite middleware may serve files starting with the same name with the public directory
CVE-2025-58751 / GHSA-g4jq-h2w9-997c
More information
Details
Summary
Files starting with the same name with the public directory were served bypassing the
server.fssettings.Impact
Only apps that match the following conditions are affected:
server.hostconfig option)Details
The servePublicMiddleware function is in charge of serving public files from the server. It returns the viteServePublicMiddleware function which runs the needed tests and serves the page. The viteServePublicMiddleware function checks if the publicFiles variable is defined, and then uses it to determine if the requested page is public. In the case that the publicFiles is undefined, the code will treat the requested page as a public page, and go on with the serving function. publicFiles may be undefined if there is a symbolic link anywhere inside the public directory. In that case, every requested page will be passed to the public serving function. The serving function is based on the sirv library. Vite patches the library to add the possibility to test loading access to pages, but when the public page middleware disables this functionality since public pages are meant to be available always, regardless of whether they are in the allow or deny list.
In the case of public pages, the serving function is provided with the path to the public directory as a root directory. The code of the sirv library uses the join function to get the full path to the requested file. For example, if the public directory is "/www/public", and the requested file is "myfile", the code will join them to the string "/www/public/myfile". The code will then pass this string to the normalize function. Afterwards, the code will use the string's startsWith function to determine whether the created path is within the given directory or not. Only if it is, it will be served.
Since sirv trims the trailing slash of the public directory, the string's startsWith function may return true even if the created path is not within the public directory. For example, if the server's root is at "/www", and the public directory is at "/www/p", if the created path will be "/www/private.txt", the startsWith function will still return true, because the string "/www/private.txt" starts with "/www/p". To achieve this, the attacker will use ".." to ask for the file "../private.txt". The code will then join it to the "/www/p" string, and will receive "/www/p/../private.txt". Then, the normalize function will return "/www/private.txt", which will then be passed to the startsWith function, which will return true, and the processing of the page will continue without checking the deny list (since this is the public directory middleware which doesn't check that).
PoC
Execute the following shell commands:
Then, in a different shell, run the following command:
curl -v --path-as-is 'http://localhost:5173/private.txt'You will receive a 403 HTTP Response, because private.txt is denied.
Now in the same shell run the following command:
curl -v --path-as-is 'http://localhost:5173/../private.txt'You will receive the contents of private.txt.
Related links
Severity
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:NReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
vite allows server.fs.deny bypass via backslash on Windows
CVE-2025-62522 / GHSA-93m4-6634-74q7
More information
Details
Summary
Files denied by
server.fs.denywere sent if the URL ended with\when the dev server is running on Windows.Impact
Only apps that match the following conditions are affected:
server.hostconfig option)Details
server.fs.denycan contain patterns matching against files (by default it includes.env,.env.*,*.{crt,pem}as such patterns). These patterns were able to bypass by using a back slash(\). The root cause is thatfs.readFile('/foo.png/')loads/foo.png.PoC
Severity
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
Vite:
server.fs.denybypassed with queriesCVE-2026-39364 / GHSA-v2wj-q39q-566r
More information
Details
Summary
The contents of files that are specified by
server.fs.denycan be returned to the browser.Impact
Only apps that match the following conditions are affected:
--hostorserver.hostconfig option)server.fs.allowserver.fs.denyDetails
On the Vite dev server, files that should be blocked by
server.fs.deny(e.g.,.env,*.crt) can be retrieved with HTTP 200 responses when query parameters such as?raw,?import&raw, or?import&url&inlineare appended.PoC
pnpm exec vite root --host 127.0.0.1 --port 5175 --strictPortserver.fs.denyis enforced (expect 403):curl -i http://127.0.0.1:5175/src/.env | head -n 20Severity
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
Vite Vulnerable to Path Traversal in Optimized Deps
.mapHandlingCVE-2026-39365 / GHSA-4w7w-66w2-5vf9
More information
Details
Summary
Any files ending with
.mapeven out side the project can be returned to the browser.Impact
Only apps that match the following conditions are affected:
--hostorserver.hostconfig option).mapand the path is predictableDetails
In Vite v7.3.1, the dev server’s handling of
.maprequests for optimized dependencies resolves file paths and callsreadFilewithout restricting../segments in the URL. As a result, it is possible to bypass theserver.fs.strictallow list and retrieve.mapfiles located outside the project root, provided they can be parsed as valid source map JSON.PoC
/@fsaccess is blocked bystrict(returns 403)../segments under the optimized deps.mapURL prefix to reach/tmp/poc.mapSeverity
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:NReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
Vite Vulnerable to Arbitrary File Read via Vite Dev Server WebSocket
CVE-2026-39363 / GHSA-p9ff-h696-f583
More information
Details
Summary
server.fscheck was not enforced to thefetchModulemethod that is exposed in Vite dev server's WebSocket.Impact
Only apps that match the following conditions are affected:
--hostorserver.hostconfig option)server.ws: falseArbitrary files on the server (development machine, CI environment, container, etc.) can be exposed.
Details
If it is possible to connect to the Vite dev server’s WebSocket without an
Originheader, an attacker can invokefetchModulevia the custom WebSocket eventvite:invokeand combinefile://...with?raw(or?inline) to retrieve the contents of arbitrary files on the server as a JavaScript string (e.g.,export default "...").The access control enforced in the HTTP request path (such as
server.fs.allow) is not applied to this WebSocket-based execution path.PoC
Start the dev server on the target
Example (used during validation with this repository):
pnpm -C playground/alias exec vite --host 0.0.0.0 --port 5173Confirm that access is blocked via the HTTP path (example: arbitrary file)
curl -i 'http://localhost:5173/@fs/etc/passwd?raw'Result:

403 Restricted(outside the allow list)Confirm that the same file can be retrieved via the WebSocket path
By connecting to the HMR WebSocket without an
Originheader and sending avite:invokerequest that callsfetchModulewith afile://...URL and?raw, the file contents are returned as a JavaScript module.Severity
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
vite:
server.fs.denybypass on Windows alternate pathsCVE-2026-53571 / GHSA-fx2h-pf6j-xcff
More information
Details
Summary
The contents of files that are specified by
server.fs.denycan be returned to the browser on Windows.Impact
Only apps that match the following conditions are affected:
--hostorserver.hostconfig option)server.fs.allowDetails
Vite’s dev server denies direct access to sensitive files through
server.fs.deny, including entries such as.env,.env.*, and*.{crt,pem}. However, on Windows, the deny logic does not correctly normalize NTFS ADS path forms before access checks are applied.Because of this, requests such as
/.env::$DATA?raware treated as allowed paths, while Windows resolves them to the original file's default data stream.Similar to that, Windows allows accessing a file using a different name with the 8.3 short name compatibility feature. Vite did not reject accessing files via them.
PoC
$ npm create vite@latest $ cd vite-project/ $ npm install $ npm run devAccess via browser at

http://localhost:5173/.env::$DATA?rawExample expected result:
/.env::$DATA?rawreturns the contents of.env/tls.pem::$DATA?rawreturns the contents oftls.pemSeverity
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
launch-editor: NTLMv2 hash disclosure via UNC path handling on Windows
CVE-2026-53632 / GHSA-v6wh-96g9-6wx3
More information
Details
Summary
The
launch-editorNPM package accesses arbitrary paths including Windows UNC paths. When a UNC path is opened, Windows automatically attempts NTLM authentication to the remote host, causing the user’s NTLMv2 password hash to be leaked to an attacker-controlled SMB server. This can result in credential compromise through offline hash cracking.Impact
If the following conditions are met, an attacker can get the NTLMv2 password hash on the computer that is using the
launch-editor:launch-editorlaunch-editoris runningThis would be a problem if the user password is too simple that it can be identified through offline hash cracking, potentially leading to further compromise of developer accounts or internal systems.
Details
launch-editoraccepts file paths without validating or restricting Windows UNC paths such as:On Windows systems, accessing a UNC path triggers an automatic NTLM authentication attempt to the remote SMB server. No user interaction or warning is required for this authentication attempt to occur.
If an attacker controls the SMB server referenced by the UNC path the victim’s NTLMv2 hash is transmitted to the attacker. The attacker can then capture the hash and perform offline password cracking. Successful cracking reveals the victim’s cleartext password.
The attacker could target a developer that uses a development server using
launch-editorto develop code locally, send them a link and grab their NTLMv2 hash.PoC
From the attacker side, we will setup an SMB server. I personally used Impacket's smbserver.py, but you could use something like Responder for this as well. For keeping it simple, we will use
smbserver.pyhere.First, let's create a directory to serve as an SMB share.
Then, start the SMB server.
Now, run any project that uses the launch-editor package. I have setup a simple "Hello world" project that uses Vite to do this. Then run the project locally (
vite).Now last, we will open a browser window and navigate to the URL used by the launch-editor package to trigger the NTLM authentication. Or we can use
curlto achieve the same.Note the IP address in the HTTP request, and make sure it connects to the IP address of the SMB server. Now we can look at the logs of
smbserver.pyand see the NTLMv2 hash coming in.Severity
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:HReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
Release Notes
vitejs/vite (vite)
v7.3.5Compare Source
Please refer to CHANGELOG.md for details.
v7.3.3Compare Source
Please refer to CHANGELOG.md for details.
v7.3.2Compare Source
Please refer to CHANGELOG.md for details.
v7.3.1Compare Source
Please refer to CHANGELOG.md for details.
v7.3.0Compare Source
Please refer to CHANGELOG.md for details.
v7.2.7Compare Source
v7.2.6Compare Source
7.2.6 (2025-12-01)
v7.2.4Compare Source
Bug Fixes
v7.2.3Compare Source
Bug Fixes
bindCLIShortcutscalls with shortcut merging (#21103) (5909efd)Performance Improvements
Miscellaneous Chores
v7.2.2Compare Source
Bug Fixes
v7.2.1Compare Source
Bug Fixes
Code Refactoring
indexOfMatchInSlicetofindPreloadMarker(#21054) (f83264f)v7.2.0Compare Source
Bug Fixes
getBuiltinsresponse JSON serializable (#21029) (ad5b3bf)Miscellaneous Chores
v7.1.12Compare Source
Please refer to CHANGELOG.md for details.
v7.1.11Compare Source
Bug Fixes
server.fs.denycheck (#20968) (f479cc5)Miscellaneous Chores
Code Refactoring
Build System
v7.1.10Compare Source
Bug Fixes
//(#20760) (b95fa2a)fileToBuiltUrl(#20898) (73b6d24)Documentation
WebSocketspelling (#20890) (29e98dc)Miscellaneous Chores
v7.1.9Compare Source
Reverts
v7.1.8Compare Source
Bug Fixes
Documentation
Miscellaneous Chores
create-react-applicense (#20865) (166a178)v7.1.7Compare Source
Bug Fixes
emitAssets: truewhensharedConfigBuild: true(#20787) (4c4583c)import.meta.hot.prunecallbacks to complete before running other HMRs (#20698) (98a3484)v7.1.6Compare Source
Bug Fixes
$variables correctly (#20761) (7e8e004)skipLibCheckisfalse(#20755) (cc54e29)Miscellaneous Chores
v7.1.5Compare Source
Bug Fixes
fs.strictcheck to HTML files (#20736) (14015d7)v7.1.4Compare Source
Bug Fixes
Miscellaneous Chores
Code Refactoring
minifyparameter fromfinalizeCss(#20701) (8099582)v7.1.3Compare Source
Features
generateCodeFrame(#20640) (1559577)Bug Fixes
Performance Improvements
resolveConfig(#20646) (f691f57)Miscellaneous Chores
Code Refactoring
importin worker threads (#20641) (530687a)Tests
checkNodeVersiontest (#20647) (731d3e6)v7.1.2Compare Source
Bug Fixes
[vite]prefixes to debug logs (#20595) (7cdef61)npm:prefix as a built-in module (#20558) (ab33803)Miscellaneous Chores
@jridgewell/remappingfrom@ampproject/remapping(#20577) ([0a6048a](https://redirect.github.com/vitejs/vite/commit/0a6048aba4523f451edf29Configuration
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