The handle_request function in lib/HTTPServer.pm in Monitorix before 3.3.1 allows remote attackers to execute arbitrary commands via shell metacharacters in the URI.
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
4.1% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)