CVE-2026-53571 Vite: `server.fs.deny` bypass on Windows alternate paths

Vite is a frontend tooling framework for JavaScript. Prior to 8.0.16, 7.3.5, and 6.4.3, the contents of files that are specified by server.fs.deny can be returned to the browser on Windows. Vite’s dev server denies direct access to sensitive files through server.fs.deny, including entries such as...

CVE-2026-53571

CVE-2026-53571 affects the Vite dev server. On Windows, the denial mechanism implemented by the option server.fs.deny fails to normalize NTFS ADS path forms before access checks, allowing bypasses such as /.env::$DATA?raw and access via 8.3 short-name tricks. This can enable exposure of sensitive...

CVE-2026-53571 Vite: `server.fs.deny` bypass on Windows alternate paths

Vite is a frontend tooling framework for JavaScript. Prior to 8.0.16, 7.3.5, and 6.4.3, the contents of files that are specified by server.fs.deny can be returned to the browser on Windows. Vite’s dev server denies direct access to sensitive files through server.fs.deny, including entries such as...

CVE-2026-39364 Vite has a `server.fs.deny` bypass with queries

Vite is a frontend tooling framework for JavaScript. From 7.1.0 to before 7.3.2 and 8.0.5, on the Vite dev server, files that should be blocked by server.fs.deny e.g., .env, .crt can be retrieved with HTTP 200 responses when query parameters such as ?raw, ?import&raw, or ?import&url&inline are...

Directory Traversal

Overview org.webjars.npm:vite is a Native-ESM powered web dev build tool Affected versions of this package are vulnerable to Directory Traversal through the server.fs.deny configuration due to improper input sanitization. An attacker can bypass server.fs.deny with /. for files under project root...