CVE-2025-62522: vite allows server.fs.deny bypass via backslash on Windows

October 20, 2025 (updated November 10, 2025)

Files denied by server.fs.deny were sent if the URL ended with \ when the dev server is running on Windows.

References

github.com/advisories/GHSA-93m4-6634-74q7
github.com/vitejs/vite
github.com/vitejs/vite/commit/f479cc57c425ed41ceb434fecebd63931b1ed4ed
github.com/vitejs/vite/security/advisories/GHSA-93m4-6634-74q7
nvd.nist.gov/vuln/detail/CVE-2025-62522

Code Behaviors & Features

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