CVE-2026-112947: Vite: First 4 bytes of files outside of `server.fs` setting is exposed by `?vite-wasm-instance`
The first 4 bytes of files outside of server.fs setting can be returned to the browser by a request containing ?vite-wasm-instance.
References
- github.com/advisories/GHSA-vfpm-58rq-9qcg
- github.com/vitejs/vite/commit/b6c6d2fb3f853aab4092dc25f0d6816a96c23dff
- github.com/vitejs/vite/commit/ba8b7ab43b4afa5d0292ab4b6e3a7b5033cc9c73
- github.com/vitejs/vite/pull/23655
- github.com/vitejs/vite/security/advisories/GHSA-vfpm-58rq-9qcg
- nvd.nist.gov/vuln/detail/CVE-2026-112947
Code Behaviors & Features
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