CVE-2025-67738: Webmin

High severity, CVSS 8.5. EPSS: 0.4% chance of exploitation in the next 30 days.

squid/cachemgr.cgi in Webmin before 2.600 does not properly quote arguments. This is relevant if Webmin's Squid module and its Cache Manager feature are available, and an untrusted party is able to authenticate to Webmin and has certain Cache Manager permissions (the "cms" security option).

Affected products

• Webmin Webmin: before 2.600 (fixed in 2.600)

Published 2025-12-11. Last modified 2026-06-17.