CVE-2026-85425 [CRITICAL] – MOOS-IvP iSay through 24.8.1 contains a remote code execution vulnerability in the SAY_MOO

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.