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Vite-Plus (<= 0.1.23)

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high advisory

Vite Dev Server `server.fs.deny` Bypass on Windows (CVE-2026-53571)

A high-severity vulnerability (CVE-2026-53571) in the Vite development server on Windows allows threat actors to bypass `server.fs.deny` restrictions, leading to information disclosure of sensitive files like `.env` or `tls.pem` via crafted HTTP requests utilizing NTFS Alternate Data Streams or 8.3 short names, impacting applications that expose the dev server to the network.

PoC Vite +4 information-disclosure bypass web-vulnerability windows development-server
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