"We are aware that an individual claims to have access to the source code of the EVE client, but this access is not a security risk to CCP or our customers in any way. The Python scripting language that is used by the client can be easily decompiled to generate readable code, and we have designed our server-side systems with that understanding. Therefore, there is no reason to believe that the code was leaked by an employee and our internal investigations confirm that.
Access to the source code for the EVE client exposes no security vulnerabilities, has no privacy protection issues, and poses no threat to our customers billing information. The server-side interface used by the client is carefully protected to ensure that no abusive or unwanted information is transmitted to or from the EVE system." - CCP Wrangler