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Vulnerability record · CVE-2026-73231 · published 11 August 2026

CVE-2026-73231: Faker generates massive amounts of fake data in the browser and Node.js.

Faker generates massive amounts of fake data in the browser and Node.js. Prior to 10.5.0, the faker.helpers.fake method in src/modules/helpers/eval.ts allows attacker-controlled fake templates to access the Function constructor through fakeEval.resolveProperty when a function returns another function, enabling arbitrary JavaScript code execution. This issue is fixed in version 10.5.0.

7.8 CVSS 3.1 High EPSS 0.21% · top 89.9% CWE-95 · CWE-95 Deferred
7.8CVSS 3.1 base score
0.21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
9 Sep 2026Last modified by NVD

Description

Faker generates massive amounts of fake data in the browser and Node.js. Prior to 10.5.0, the faker.helpers.fake method in src/modules/helpers/eval.ts allows attacker-controlled fake templates to access the Function constructor through fakeEval.resolveProperty when a function returns another function, enabling arbitrary JavaScript code execution. This issue is fixed in version 10.5.0.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://github.com/faker-js/faker/commit/54586208f904012f57c50b46cc1ad32bcbe4bfb7
https://github.com/faker-js/faker/pull/3852
https://github.com/faker-js/faker/releases/tag/v10.5.0
https://github.com/faker-js/faker/security/advisories/GHSA-qxc2-j82w-r537
https://github.com/faker-js/faker/security/advisories/GHSA-qxc2-j82w-r537

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Source: NIST National Vulnerability Database (record CVE-2026-73231), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.