CVE-2026-85425: Moos-Ivp

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

MOOS-IvP iSay through 24.8.1 contains a remote code execution vulnerability in the SAY_MOOS variable handler that passes unsanitized text to a shell command. Attackers can publish SAY_MOOS messages containing backticks or command substitution syntax to execute arbitrary commands as the iSay process user.

Affected products

• Moos-Ivp Moos-Ivp: up to and including 24.8.1

Published 2026-09-03. Last modified 2026-09-08.