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 build.assetsInlineLimit (default: 4kB) and when using Vite 6.0+. Only apps explicitly exposing the Vite dev server to the network (using --host or server.host config option) are affected. This vulnerability is fixed in 4.5.12, 5.4.17, 6.0.14, 6.1.4, and 6.2.5.

• CWE-200
• CWE-284

• https://github.com/vitejs/vite/blob/037f801075ec35bb6e52145d659f71a23813c48f/packages/vite/src/node/plugins/asset.ts#L285-L290
• https://github.com/vitejs/vite/commit/62d7e81ee189d65899bb65f3263ddbd85247b647
• https://github.com/vitejs/vite/security/advisories/GHSA-xcj6-pq6g-qj4x
• https://github.com/vitejs/vite/security/advisories/GHSA-xcj6-pq6g-qj4x

Published

Apr 3, 2025

Last Modified

Jun 17, 2026

Status

Deferred

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