'; } else{ echo ''; } echo '
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| Rule General Information |
|---|
| Release Date: | 2025-12-17 | |
| Rule Name: | Vite server.fs.deny Bypass - Local File Inclusion Vulnerability (CVE-2025-31486) | |
| Severity: | ||
| CVE ID: | ||
| Rule Protection Details |
|---|
| Description: | 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. | |
| Impact: | When the file operation function in the application that does not filter the file path effectively, an attacker can import the path of a file which contains malicious code, causing a file inclusion vulnerability and executing malicious code. | |
| Affected OS: | Windows, Linux, Others | |
| Reference: | https://github.com/vitejs/vite/blob/037f801075ec35bb6e52145d659f71a23813c48f/packages/vite/src/node/plugins/asset.ts#L285-L290 |
|
| Solutions |
|---|
| Refer to the announcement or patch by the vendor: https://github.com/vitejs/vite/security/advisories/GHSA-xcj6-pq6g-qj4x |