Path Traversal in Microsoft Windows

CVE-2026-53571

Vite is a frontend tooling framework for JavaScript. Prior to 8.0.16, 7.3.5, and 6.4.3, the contents of files that are specified by server.fs.deny can be returned to the browser on Windows. Vite’s dev server denies direct access to sensiti…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.006 (44.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-53571?
CVE-2026-53571 is a high-severity vulnerability in Microsoft Windows, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-06-22.
How severe is CVE-2026-53571?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2026-53571 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.