CVE-2026-39365
Vite has a Path Traversal in Optimized Deps `.map` Handling
CVSS Score
0.0
EPSS Score
4.1%
EPSS Percentile
89th
Vite is a frontend tooling framework for JavaScript. From 6.0.0 to before 6.4.2, 7.3.2, and 8.0.5, the dev server’s handling of .map requests for optimized dependencies resolves file paths and calls readFile without restricting ../ segments in the URL. As a result, it is possible to bypass the server.fs.strict allow list and retrieve .map files located outside the project root, provided they can be parsed as valid source map JSON. This vulnerability is fixed in 6.4.2, 7.3.2, and 8.0.5.
| CWE | CWE-22 |
| Vendor | vitejs |
| Product | vite |
| Published | Apr 7, 2026 |
| Last Updated | Apr 15, 2026 |
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Affected Versions
vitejs / vite
>= 8.0.0, < 8.0.5 >= 7.0.0, < 7.3.2 >= 6.0.0, < 6.4.2
vitejs / vite-plus
< 0.1.16