CVE-2017-16029: Hostr Project Hostr

High severity, CVSS 7.5. EPSS: 1.8% chance of exploitation in the next 30 days.

hostr is a simple web server that serves up the contents of the current directory. There is a directory traversal vulnerability in hostr 2.3.5 and earlier that allows an attacker to read files outside the current directory by sending `../` in the url path for GET requests.

Affected products

• Hostr Project Hostr: up to and including 2.3.5

Published 2018-06-04. Last modified 2026-06-17.