PYSEC-2026-308 CraftBeerPi 4 allows arbitrary code execution

URL GET parameter "logtime" utilized within the "downloadlog" function from "cbpi/httpendpoints/httpsystem.py" is subsequently passed to the "os.system" function in "cbpi/controller/systemcontroller.py" without prior validation allowing arbitrary code execution. This issue affects CraftBeerPi 4:...