CVE-2026-47429
Critical · CVSS 9.8- CVSS
- 9.8
- nvd
- EPSS
- —
- KEV
- No
- Class
- oss containerizable
- CWE-22
Description
Vitest 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.
Affected packages
| npm | vitest | 0 → 3.2.6 |
| npm | vitest | 4.0.0 → 4.1.0 |
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
Status: profiled · ingested 2026-07-21T18:00:18.000Z