CVE-2026-47429Vitest is a testing framework powered by Vite.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 5.9 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-22
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Aug 6, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
vitest.dev vitest vitest.dev:vitest | before 3.2.5; from 4.0.0 before 4.1.0 | NVD |
References
- https://github.com/vitest-dev/vitest/commit/20e00ef7808de6d330c5e2fda530f686e08f1c8dpatch
- https://github.com/vitest-dev/vitest/commit/af88b1f5d82844a4761ea9a977156c98e2b14ca8patch
- 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/releases/tag/v3.2.5release-notes
- https://github.com/vitest-dev/vitest/releases/tag/v4.1.0release-notes
- https://github.com/vitest-dev/vitest/security/advisories/GHSA-5xrq-8626-4rwpexploit, mitigation, vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.