In 74cms version 5.0.1, there is a remote code execution vulnerability in /Application/Admin/Controller/ConfigController.class.php and /ThinkPHP/Common/functions.php where attackers can obtain server permissions and control the server.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
4.4% chance of exploitation in the next 30 days; higher than 91% of CVEs (scores of 2026-10-31)