CVE-2026-85427: Themoos Essential-Moos

High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days.

MOOS essential-moos pAntler through 10.0.1 contains a remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary programs by publishing a crafted MISSION_FILE message to the MOOSDB. Attackers can publish a mission file containing malicious Run entries that pAntler parses and executes via execvp() without authentication validation.

Affected products

• Themoos Essential-Moos: up to and including 10.0.1

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