PI Coresight 2016 R2 contains a cross-site request forgery vulnerability that may allow access to the PI system. OSIsoft recommends that users upgrade to PI Vision 2017 or greater to mitigate this vulnerability.

An issue was discovered in OSIsoft PI Coresight 2016 R2 and earlier versions, and PI Web API 2016 R2 when deployed using the PI AF Services 2016 R2 integrated install kit. An information exposure through server log files vulnerability has been identified, which may allow service account passwords to become exposed for the affected services, potentially leading to unauthorized shutdown of the affected PI services as well as potential reuse of domain credentials.