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.
http://www.openwall.com/lists/oss-security/2008/10/27/1
http://www.mandriva.com/security/advisories?name=MDVSA-2009:038