Vite: Files outside `server.fs.allow` could be served when project paths match system paths on non-Windows machine

影響: npm:vite >= 8.3.0, <= 8.3.2 → 8.3.3, npm:vite >= 8.2.0, <= 8.2.3 → 8.2.4, npm:vite >= 8.0.0, <= 8.1.5 → 8.1.6, npm:vite >= 7.0.0, <= 7.3.6 → 7.3.7, npm:vite <= 6.4.3 → 6.4.4, npm:vite-plus <= 1.0.0 → 1.1.0

The content of files outside server.fs setting can be returned to the browser if the project imports a file path concatenated with the root. For example, if the project references /etc/hosts, the content of /etc/hosts was possible to be returned. The content of files outside the server.fs.allow option can be returned to the browser when a project imports a file whose root-relative path matches an absolute path on the host. For example, referencing /etc/hosts could make Vite return the h…

Read on GitHub Advisory Database

On 10/22/2026, 01:47 AM, GitHub Advisory Database published "Vite: Files outside `server.fs.allow` could be served when project paths match system paths on non-Windows machine" (type: Advisory). Severity is "Medium" (medium). Related technologies: JavaScript / Node.js. CVE: CVE-2026-112946.