🛡️ CVE-2026-39365
🟡 CVSS 5.3 — Medium ✅ No Known Exploit CWE-200 NVD
5.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

Details

Severity Medium
CVSS Score 5.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE CWE-200
Public Exploit ✅ No
Source NVD
Published 2026-04-06
Updated 2026-06-15
Modified 2026-04-09
Fix URL N/A

Affected Packages

Software From version Fixed in
vite — —
vite\+ — 0.1.15

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