Threat Investigation
Request a demo

CVE-2026-39117

Critical

Description

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

SeverityCritical
CVSS9.8
Exploit probability—
Product66Uptime
PublishedSep 29, 2026
First seenSep 29, 2026
Weakness typeCWE-94Code injection

How to fix

Update
  • AltumCode 66Uptimev.54.0.0 or later
  • AltumCode 66Uptime ping-servers pluginv.2.0.0 or later

Affected products

ProductAffected versionsFixed in
AltumCode 66UptimeNo range specifiedv.54.0.0
AltumCode 66Uptime ping-servers pluginNo range specifiedv.2.0.0

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.