{"id":"CVE-2026-112950","revision":"3f02f72dadc9426caf04badfd9670bfe","records":[{"revision":"3f02f72dadc9426caf04badfd9670bfe","observedAt":"2026-10-29T05:48:28.56+00:00","statement":{"source":"nvd","id":"CVE-2026-112950","aliases":[],"title":"Vitest is a Vite-native testing framework for JavaScript and TypeScript projects. From 4.1.11 until 4.1.12 and 5.0.3, isFileLoadingAllowed and the filesystem read interpret backslashes differently on Windows in packages/mocker/src/node/inte…","description":"Vitest is a Vite-native testing framework for JavaScript and TypeScript projects. From 4.1.11 until 4.1.12 and 5.0.3, isFileLoadingAllowed and the filesystem read interpret backslashes differently on Windows in packages/mocker/src/node/interceptorPlugin.ts. When a client can reach the Vite dev server on Windows and register a redirect mock containing backslash traversal, POSIX joining preserves a Windows backslash traversal that the later filesystem read interprets as a path separator, so the client can read a file outside server.fs.allow that the Vitest process can access. This issue is fixed in versions 4.1.12 and 5.0.3.","state":0,"publishedAt":"2026-10-20T16:17:05.807+00:00","modifiedAt":"2026-10-28T14:16:56.487+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9,"severity":"MEDIUM"}],"references":["https://github.com/vitest-dev/vitest/commit/15cc006aa9f8683dc5f7e895d011fa7dc751ce35","https://github.com/vitest-dev/vitest/commit/b825313243dc55757e8d7c0f9e7a792135e13473","https://github.com/vitest-dev/vitest/releases/tag/v4.1.12","https://github.com/vitest-dev/vitest/releases/tag/v5.0.3","https://github.com/vitest-dev/vitest/security/advisories/GHSA-xp26-3454-mjgp"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-112950","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Awaiting Analysis","weaknesses":["CWE-22"],"productCriteria":[],"sourceDates":{"published":"2026-10-20T16:17:05.807","lastModified":"2026-10-28T14:16:56.487"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-112950","identifiers":["CVE-2026-112950"]},"retained":false,"historicalAffected":[]}],"coverage":[]}