Vulnerability Details CVE-2026-39365
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.041
EPSS Ranking 88.5%
CVSS Severity
CVSS v3 Score 5.3
Products affected by CVE-2026-39365
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cpe:2.3:a:vitejs:vite-plus:*
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cpe:2.3:a:vitejs:vite:6.0.0
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cpe:2.3:a:vitejs:vite:6.0.0-alpha.7
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cpe:2.3:a:vitejs:vite:6.0.1
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cpe:2.3:a:vitejs:vite:6.0.10
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cpe:2.3:a:vitejs:vite:6.0.11
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cpe:2.3:a:vitejs:vite:6.0.12
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cpe:2.3:a:vitejs:vite:6.0.13
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cpe:2.3:a:vitejs:vite:6.0.14
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cpe:2.3:a:vitejs:vite:6.0.15
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cpe:2.3:a:vitejs:vite:6.0.2
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cpe:2.3:a:vitejs:vite:6.0.3
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cpe:2.3:a:vitejs:vite:6.0.4
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cpe:2.3:a:vitejs:vite:6.0.5
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cpe:2.3:a:vitejs:vite:6.0.6
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cpe:2.3:a:vitejs:vite:6.0.7
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cpe:2.3:a:vitejs:vite:6.0.8
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cpe:2.3:a:vitejs:vite:6.0.9
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cpe:2.3:a:vitejs:vite:6.1.0
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cpe:2.3:a:vitejs:vite:6.1.1
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cpe:2.3:a:vitejs:vite:6.1.2
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cpe:2.3:a:vitejs:vite:6.1.3
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cpe:2.3:a:vitejs:vite:6.1.4
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cpe:2.3:a:vitejs:vite:6.1.5
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cpe:2.3:a:vitejs:vite:6.1.6
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cpe:2.3:a:vitejs:vite:6.2.0
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cpe:2.3:a:vitejs:vite:6.2.1
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cpe:2.3:a:vitejs:vite:6.2.2
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cpe:2.3:a:vitejs:vite:6.2.3
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cpe:2.3:a:vitejs:vite:6.2.4
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cpe:2.3:a:vitejs:vite:6.2.5
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cpe:2.3:a:vitejs:vite:6.2.6
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cpe:2.3:a:vitejs:vite:6.2.7
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cpe:2.3:a:vitejs:vite:6.3.0
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cpe:2.3:a:vitejs:vite:6.3.1
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cpe:2.3:a:vitejs:vite:6.3.2
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cpe:2.3:a:vitejs:vite:6.3.3
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cpe:2.3:a:vitejs:vite:6.3.4
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cpe:2.3:a:vitejs:vite:6.3.5
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cpe:2.3:a:vitejs:vite:6.3.6
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cpe:2.3:a:vitejs:vite:7.0.0
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cpe:2.3:a:vitejs:vite:7.0.1
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cpe:2.3:a:vitejs:vite:7.0.2
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cpe:2.3:a:vitejs:vite:7.0.3
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cpe:2.3:a:vitejs:vite:7.0.4
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cpe:2.3:a:vitejs:vite:7.0.5
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cpe:2.3:a:vitejs:vite:7.0.6
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cpe:2.3:a:vitejs:vite:7.0.7
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cpe:2.3:a:vitejs:vite:7.1.0
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cpe:2.3:a:vitejs:vite:7.1.1
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cpe:2.3:a:vitejs:vite:7.1.2
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cpe:2.3:a:vitejs:vite:7.1.3
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cpe:2.3:a:vitejs:vite:7.1.4
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cpe:2.3:a:vitejs:vite:7.1.5