Categories
CVE-2025-31486

Vite allows server.fs.deny to be bypassed with .svg or relative paths

Summary

Vite allows server.fs.deny to be bypassed with .svg or relative paths

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

Affected packages

npm vite
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.5.12"}]}]

References

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