CVE-2026-77602 OpenC3 COSMOS: Authenticated remote code execution via the user-writable config overlay (table definitions, cmd/tlm definitions, and script suites)

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. From 5.1.0 until 7.3.0, authenticated non-administrator users can write content under targetsmodified/ that is later executed by multiple configuration paths below the intended...

OpenC3 COSMOS: Authenticated OS command injection via the `pypi_url` setting

Summary An authenticated user can execute arbitrary operating system commands on the openc3-cosmos-cmd-tlm-api service. The pypiurl setting is interpolated, unescaped, into a command line that is run through a shell backtick when a plugin is installed. Shell metacharacters in the setting value ar...