9.8Critical
CVE-2026-47429Vitest: Arbitrary file can be read and executed when Vitest UI server is listening
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.
Weakness (CWE):
CWE-22
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
| Vendor | Product | Versions | |
|---|---|---|---|
| vitest-dev | vitest | < 3.2.5, >= 4.0.0, < 4.1.0 | |
| vitest.dev | vitest | < 3.2.5 |
References and patches
- https://github.com/vitest-dev/vitest/security/advisories/GHSA-5xrq-8626-4rwp ExploitMitigationVendor Advisory
- https://github.com/vitest-dev/vitest/pull/10445 ExploitIssue TrackingPatch
- https://github.com/vitest-dev/vitest/pull/9350 ExploitIssue TrackingPatch
- https://github.com/vitest-dev/vitest/commit/20e00ef7808de6d330c5e2fda530f686e08f1c8d Patch
- https://github.com/vitest-dev/vitest/commit/af88b1f5d82844a4761ea9a977156c98e2b14ca8 Patch
- https://github.com/vitest-dev/vitest/releases/tag/v3.2.5 Release Notes
- https://github.com/vitest-dev/vitest/releases/tag/v4.1.0 Release Notes
CPE matches (NVD) (2)
cpe:2.3:a:vitest.dev:vitest:*:*:*:*:*:node.js:*:*< 3.2.5cpe:2.3:a:vitest.dev:vitest:*:*:*:*:*:node.js:*:*≥ 4.0.0 < 4.1.0