CVE-2026-47429
critical · 9.8Vitest is a testing framework powered by Vite. Prior to 3.2.5 and 4.1.0, the Vitest UI/API server on Windows used isFileServingAllowed incorrectly for /__vitest_attachment__, allowing \\?\\..\\ path traversal to read files outside the project; exposed API write and rerun features such as saveTestFile and rerun could also allow arbitrary script execution. This issue is fixed in versions 3.2.5 and 4.1.0.
9.8
CVSS
0.9%
EPSS (exploit prob.)
59th
EPSS percentile
2026-07-14
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-22
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| vitest.dev | vitest | < 3.2.5 |
| vitest.dev | vitest | >= 4.0.0, < 4.1.0 |
Check a specific version with /api/v1/cve/match.
References
- https://github.com/vitest-dev/vitest/commit/20e00ef7808de6d330c5e2fda530f686e08f1c8d
- https://github.com/vitest-dev/vitest/commit/af88b1f5d82844a4761ea9a977156c98e2b14ca8
- https://github.com/vitest-dev/vitest/pull/10445
- https://github.com/vitest-dev/vitest/pull/9350
- https://github.com/vitest-dev/vitest/releases/tag/v3.2.5
- https://github.com/vitest-dev/vitest/releases/tag/v4.1.0
- https://github.com/vitest-dev/vitest/security/advisories/GHSA-5xrq-8626-4rwp
- https://github.com/vitest-dev/vitest/security/advisories/GHSA-5xrq-8626-4rwp
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2026-47429