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Vulnerability record · CVE-2026-73653 · published 13 August 2026

CVE-2026-73653: Path traversal vulnerability

Vitest is a testing framework powered by Vite. Prior to versions 3.2.7, 4.1.10, and 5.0.0-beta.6, Browser Mode provider commands including upload, takeScreenshot, screenshotMatcher, stopChunkTrace, deleteTracing, and annotateTraces accept browser-supplied file paths without enforcing the allowWrite permission gate or confining paths to the project root. A client that can reach the Browser Mode API can read arbitrary local files, create or overwrite image and trace files, or delete files accessible to the Vitest process even when allowWrite is false. This issue is fixed in versions 3.2.7, 4.1.10, and 5.0.0-beta.6.

9.4 CVSS 3.1 Critical EPSS 0.79% · top 45.5% CWE-22 · Path traversalCWE-552 · CWE-552 Deferred
9.4CVSS 3.1 base score
0.79%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
10References
9 Sep 2026Last modified by NVD

Description

Vitest is a testing framework powered by Vite. Prior to versions 3.2.7, 4.1.10, and 5.0.0-beta.6, Browser Mode provider commands including upload, takeScreenshot, screenshotMatcher, stopChunkTrace, deleteTracing, and annotateTraces accept browser-supplied file paths without enforcing the allowWrite permission gate or confining paths to the project root. A client that can reach the Browser Mode API can read arbitrary local files, create or overwrite image and trace files, or delete files accessible to the Vitest process even when allowWrite is false. This issue is fixed in versions 3.2.7, 4.1.10, and 5.0.0-beta.6.

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

References

LinkTags
https://github.com/vitest-dev/vitest/commit/33f96a145ef09ca6a43b4e555eb273e64a87be23
https://github.com/vitest-dev/vitest/commit/5c18dd267ff7f47f24cab2f615a16b37d90feb7f
https://github.com/vitest-dev/vitest/commit/b795e36b34969bec50b47a9f29d26f799a6a04fb
https://github.com/vitest-dev/vitest/pull/10674
https://github.com/vitest-dev/vitest/pull/10679
https://github.com/vitest-dev/vitest/pull/10680
https://github.com/vitest-dev/vitest/releases/tag/v3.2.7
https://github.com/vitest-dev/vitest/releases/tag/v4.1.10
https://github.com/vitest-dev/vitest/releases/tag/v5.0.0-beta.6
https://github.com/vitest-dev/vitest/security/advisories/GHSA-p63j-vcc4-9vmv

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Source: NIST National Vulnerability Database (record CVE-2026-73653), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.