A security vulnerability has been detected in webgjc webrobot 2.4.0/2.5.0/2.8.0. The affected element is the function controllerlisten/controllerrecover of the file py/web.py. The manipulation of the argument casename leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.