CVE-2017-16221: Yzt Project Yzt

High severity, CVSS 7.5. EPSS: 2% chance of exploitation in the next 30 days.

yzt is a simple file server. yzt is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing "../" in the url.

Affected products

• Yzt Project Yzt: version 1.4.0 only

Published 2018-06-07. Last modified 2026-06-17.