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Update dependency @faker-js/faker to v10 [SECURITY] - #1009

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Update dependency @faker-js/faker to v10 [SECURITY]#1009
renovate[bot] wants to merge 1 commit into
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renovate/npm-faker-js-faker-vulnerability

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@renovaterenovateBot commented Sep 3, 2026

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This PR contains the following updates:

PackageChangeAgeConfidence
@faker-js/faker (source)^9.0.0^10.0.0ageconfidence

Faker: helpers.fake exploitable into arbritary code execution

CVE-2026-73231 / GHSA-qxc2-j82w-r537

More information

Details

Summary

faker.helpers.fake can be tricked into arbritary code execution.

Details

fakeEval.resolveProperty resolves properties on functions itself instead of resolving the nested function first.
This can be addressed by recursively calling resolveProperty instead of accessing the property after one iteration.

PoC

Go to https://fakerjs.dev/
Open Browser console and run

awaitenableFaker();// or import fakerfaker.rawDefinitions.test=(()=>()=>{});// Any function that returns a functionfaker.helpers.fake(`{{test.constructor(alert('PowerLevel: Eval'))}}`);
Impact

The Fake method claims:

It is also NOT possible to use any non-faker methods or plain javascript in such patterns.

Which is objectively false, since any global gets fully accessible in the fake string.

Severity

  • CVSS Score: 7.8 / 10 (High)
  • Vector String: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

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


Release Notes

faker-js/faker (@​faker-js/faker)

v10.5.0

Compare Source

New Locales
Features
Bug Fixes

v10.4.0

Compare Source

New Locales
Features
Changed Locales
Bug Fixes
  • locales: correct typos and capitalization in es_MX street names (#​3737) (2b32c28)

v10.3.0

Compare Source

New Locales
Features
Changed Locales
Bug Fixes

v10.2.0

Compare Source

New Locales
Features
Bug Fixes

v10.1.0

Compare Source

New Locales
Bug Fixes

v10.0.0

Compare Source

New Locales
Features
  • locales: add animal vocabulary(bear, bird, cat, rabbit, pet_name) in Korean (#​3535) (0d2143c)
Changed Locales

Configuration

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🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

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🔕 Ignore: Close this PR and you won't be reminded about this update again.


  • If you want to rebase/retry this PR, check this box

This PR was generated by Mend Renovate. View the repository job log.

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