Command Injection

Overview Affected versions of this package are vulnerable to Command Injection via the subprocess compute provider in the Worker Controller Instance module. An attacker can execute arbitrary commands on the Worker Service host by supplying a crafted compute provider configuration in their request...

Command Injection

Overview Affected versions of this package are vulnerable to Command Injection via the subprocess compute provider in the Worker Controller Instance module. An attacker can execute arbitrary commands on the Worker Service host by supplying a crafted compute provider configuration in their request...

CVE-2026-89139 Temporal Server worker deployment compute provider executes a caller-supplied command on the Worker Service host

Temporal Server compiles a Worker Controller Instance module into its Worker Service, and that module registers a compute provider named subprocess whose function is to launch a worker by running a command on the machine hosting the Worker Service. The program name and the argument vector that...