CVE-2018-19960: Onionshare

High severity, CVSS 7.0. EPSS: 0.3% chance of exploitation in the next 30 days.

The debug_mode function in web/web.py in OnionShare through 1.3.1, when --debug is enabled, uses the /tmp/onionshare_server.log pathname for logging, which might allow local users to overwrite files or obtain sensitive information by using this pathname.

Affected products

• Onionshare Onionshare: up to and including 1.3.1

Published 2018-12-07. Last modified 2026-06-17.