Untrusted search path vulnerability in BPY_interface in Blender 2.46 allows local users to execute arbitrary code via a Trojan horse Python file in the current working directory, related to an erroneous setting of sys.path by the PySys_SetArgv function.

More... (http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2008-4863)