CVE-2026-77601

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. From 5.12.0 until 7.3.0, an authenticated actor can write the pypiurl setting through setsetting at POST /openc3-api/api, then cause OpenC3::PluginModel.installphase2 in...

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...

GHSA-VP3W-52V9-Q57F 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...

CVE-2026-77601 OpenC3 COSMOS: Authenticated OS command injection via the `pypi_url` setting

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. From 5.12.0 until 7.3.0, an authenticated actor can write the pypiurl setting through setsetting at POST /openc3-api/api, then cause OpenC3::PluginModel.installphase2 in...

EUVD-2026-85563

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. From 5.12.0 until 7.3.0, an authenticated actor can write the pypiurl setting through setsetting at POST /openc3-api/api, then cause OpenC3::PluginModel.installphase2 in...

CVE-2026-77601 OpenC3 COSMOS: Authenticated OS command injection via the `pypi_url` setting

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. From 5.12.0 until 7.3.0, an authenticated actor can write the pypiurl setting through setsetting at POST /openc3-api/api, then cause OpenC3::PluginModel.installphase2 in...

CVE-2026-77601

OpenC3 COSMOS versions 5.12.0 through 7.3.0 are vulnerable to authenticated OS command injection via the pypi_url setting. An attacker can use the set_setting API method (POST /openc3-api/api) to write a malicious URL containing shell metacharacters. When a plugin with Python dependencies is inst...

CVE-2026-77601 OpenC3 COSMOS: Authenticated OS command injection via the `pypi_url` setting

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. From 5.12.0 until 7.3.0, an authenticated actor can write the pypiurl setting through setsetting at POST /openc3-api/api, then cause OpenC3::PluginModel.installphase2 in...

CVE-2026-77601: Improper Neutralization of Special Elements used in an OS Command

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. From 5.12.0 until 7.3.0, an authenticated actor can write the pypiurl setting through setsetting at POST /openc3-api/api, then cause OpenC3::PluginModel.installphase2 in...

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...