CVE-2026-47429
Last modified
CVE-2026-47429 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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. EPSS estimates a 1.01% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Vitest.Dev | Vitest | < 3.2.5 |
| Vitest.Dev | Vitest | >= 4.0.0, < 4.1.0 |
References
- https://github.com/vitest-dev/vitest/pull/10445Exploit, Issue Tracking, Patch
- https://github.com/vitest-dev/vitest/pull/9350Exploit, Issue Tracking, Patch
- https://github.com/vitest-dev/vitest/security/advisories/GHSA-5xrq-8626-4rwpExploit, Mitigation, Vendor Advisory
- https://github.com/vitest-dev/vitest/security/advisories/GHSA-5xrq-8626-4rwpExploit, Mitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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