CVE-2026-42088 OpenC3 COSMOS: Administrative Actions via the Script Runner Tool

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. Prior to version 7.0.0-rc3, the Script Runner widget allows users to execute Python and Ruby scripts directly from the openc3-COSMOS-script-runner-api container. Because all the...

CVE-2026-42088

Summary: CVE-2026-42088 affects OpenC3 COSMOS before 7.0.0-rc3. The Script Runner widget in the openc3-COSMOS-script-runner-api container allows any user with script permissions to bypass API checks and perform administrative actions across the docker network. This can enable reading/modifying da...