Potential Security Risk Detected in Client Request Path

Potentially Dangerous Request.Path Value Detected from Client(?)

Description: An unhandled exception occurred during the execution of the current web request. Please check the stack trace information for details about the error and where it originated in the code.

Exception Details: System.Web.HttpException: Potentially Dangerous Request.Path Value Detected from Client(?).

Source Error:

An unhandled exception was generated during the execution of the current web request. The information regarding the exception's cause and location can be determined using the stack trace information below.

Stack Trace:

[HttpException (0x80004005): Potentially Dangerous Request.Path Value Detected from Client(?).] System.Web.HttpRequest.ValidateInputIfRequiredByConfig() +674 System.Web.PipelineStepManager.ValidateHelper(HttpContext context) +55

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Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.6.1055.0