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.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-22"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47429.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:vitest.dev:vitest:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "3.2.5"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:vitest.dev:vitest:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.0.0"
},
{
"fixed": "4.1.0"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "20e00ef7808de6d330c5e2fda530f686e08f1c8d"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "af88b1f5d82844a4761ea9a977156c98e2b14ca8"
}
],
"source": "REFERENCES_COMMIT"
},
{
"original_tag": "v3.2.5",
"range": [
{
"fixed": "2cbad0a923c48c6144266df3cd25f93547cb5221"
}
],
"source": "REFERENCES_TAG"
},
{
"original_tag": "v4.1.0",
"range": [
{
"fixed": "4150b913171bda3971a4a4c47c633c26d0c6ae45"
}
],
"source": "REFERENCES_TAG"
}
]
}