The vulnerability of the server.fs.deny mechanism in the local development server of the Vite application allows attackers to disclose sensitive information.

The vulnerability of the server.fs.deny mechanism in the local development server of the Vite application is related to an incorrect restriction on the path name to the directory. Exploiting this vulnerability can allow a malicious actor to disclose sensitive information...

NPM: vite: `server.fs.deny` bypass on Windows alternate paths

NPM: vite: server.fs.deny bypass on Windows alternate paths vulnerability discovered by ? in WordPress Npm vite versions = 6.4.2...

CVE-2026-39364

The frontend tooling framework Vite is vulnerable to an access control bypass in the development server. Specifically, files intended to be blocked by the server.fs.deny configuration (such as .env or *.crt) can be retrieved with HTTP 200 responses. This occurs when an unauthenticated attacker ap...

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

Vite is a frontend tooling framework for JavaScript. In versions from 2.9.18 to before 3.0.0, 3.2.9 to before 4.0.0, 4.5.3 to before 5.0.0, 5.2.6 to before 5.4.21, 6.0.0 to before 6.4.1, 7.0.0 to before 7.0.8, and 7.1.0 to before 7.1.11, files denied by server.fs.deny were sent if the URL ended...

GHSA-93M4-6634-74Q7 vite allows server.fs.deny bypass via backslash on Windows

Summary Files denied by server.fs.deny were sent if the URL ended with \ when the dev server is running on Windows. Impact Only apps that match the following conditions are affected: - explicitly exposes the Vite dev server to the network using --host or server.host config option - running the de...

GHSA-356W-63V5-8WF4 Vite has an `server.fs.deny` bypass with an invalid `request-target`

Summary The contents of arbitrary files can be returned to the browser if the dev server is running on Node or Bun. Impact Only apps with the following conditions are affected. - explicitly exposing the Vite dev server to the network using --host or server.host config option - running the Vite de...

CVE-2025-31486

Vite is a frontend tooling framework for javascript. The contents of arbitrary files can be returned to the browser. By adding ?.svg with ?.wasm?init or with sec-fetch-dest: script header, the server.fs.deny restriction was able to bypass. This bypass is only possible if the file is smaller than...

GHSA-8JHW-289H-JH2G Vite's `server.fs.deny` did not deny requests for patterns with directories.

Summary Vite dev server option server.fs.deny did not deny requests for patterns with directories. An example of such a pattern is /foo//. Impact Only apps setting a custom server.fs.deny that includes a pattern with directories, and explicitly exposing the Vite dev server to the network using...

PT-2024-19813

Name of the Vulnerable Software and Affected Versions Vite versions prior to 2.9.17 Vite versions prior to 3.2.8 Vite versions prior to 4.5.2 Vite versions prior to 5.0.12 Description The Vite dev server option server.fs.deny can be bypassed on case-insensitive file systems using case-augmented...