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CVE-2026-112947

6.3 medium SSVC exploitation: none Published
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 6

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-21 15:54
  2. StatusPublished → Awaiting AnalysisNVD modified 2026-10-21 16:17
  3. StatusAwaiting Analysis → PublishedNVD modified 2026-10-20 15:10
  4. StatusPublished → Awaiting AnalysisNVD modified 2026-10-20 19:56
  5. StatusReceived → PublishedNVD modified 2026-10-20 15:10
  6. First seenCVSS 6.3NVD modified 2026-10-20 16:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 4