TempData: Is It Safe?

Question

I am using the TempData in order to preserve my model in when using a RedirectToAction. It works fine, but I have a nagging feeling that it might not b

Answer 1

I have limited the use of TempData to pass model object validation message between views and action. I haven't looked into the usage of Tempdata from security perspective but following SO thread discuss the same : HttpContext.Items with ASP.NET MVC. See the last few thread comments and related discussions.