CVE-2026-39117

Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days.

An issue in AltumCode 66Uptime before v.54.0.0 and 66Uptime ping-servers plugin before v.2.0.0 allows a remote attacker to execute arbitrary code via the index.php

Published 2026-09-29. Last modified 2026-09-29.