CVE-2025-62522

vite allows server.fs.deny bypass via backslash on Windows

State: Published
Severity: 6.0 Medium
Published: Oct 20, 2025
Updated: Oct 20, 2025
Reserved: Oct 15, 2025

Description

Vite is a frontend tooling framework for JavaScript. In versions from 2.9.18 to before 3.0.0, 3.2.9 to before 4.0.0, 4.5.3 to before 5.0.0, 5.2.6 to before 5.4.21, 6.0.0 to before 6.4.1, 7.0.0 to before 7.0.8, and 7.1.0 to before 7.1.11, files denied by server.fs.deny were sent if the URL ended with \ when the dev server is running on Windows. Only apps explicitly exposing the Vite dev server to the network and running the dev server on Windows were affected. This issue has been patched in versions 5.4.21, 6.4.1, 7.0.8, and 7.1.11.

Scores

CVSS	Score	Vector	Source
4.0	6.0 Medium	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N	GitHub_M

Weaknesses

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products

Product	Versions
vitevitejs	>= 7.1.0, < 7.1.11Affected >= 7.0.0, < 7.0.8Affected >= 6.0.0, < 6.4.1Affected >= 5.2.6, < 5.4.21Affected >= 4.5.3, < 5.0.0Affected >= 3.2.9, < 4.0.0Affected >= 2.9.18, < 3.0.0Affected

References

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