CVE Watch21 de out. de 2026

CVE-2026-112947

Vite is a frontend tooling framework for JavaScript. From 8.2.0 until 8.2.4 and 8.3.3, the first 4 bytes of files outside of server.fs setti

CVSS

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Sem CVSS

EPSS

0.5%

p43

KEV

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Exploit Today

0-100

Publicado: 20 de out. de 2026 · Última mod.: 21 de out. de 2026 · CWE-22 · CWE-200 · CWE-209

EPSS · 30d

0.4%EPSS · 30 dias0.5%

2026-10-212026-11-07

Descrição técnica

Vite is a frontend tooling framework for JavaScript. From 8.2.0 until 8.2.4 and 8.3.3, the first 4 bytes of files outside of server.fs setting can be returned to the browser by a request containing ?vite-wasm-instance. Requests containing the ?vite-wasm-instance query are handled by the internal Wasm plugin's load hook. The hook removes the query and reads the resulting path directly from disk, but the server.fs checks were not applied. After reading the file, Vite attempts to parse it as WebAssembly. When that parse fails, Node and deno throws an error that contains the first 4 bytes of the file. This vulnerability is fixed in 8.2.4 and 8.3.3.

Referências oficiais

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