In Progress® Telerik® Report Server, versions prior to 2025 Q1 (11.0.25.211) when using the older .NET Framework implementation, communication of non-sensitive information between the service agent process and app host process occurs over an unencrypted tunnel, which can be subjected to local network traffic sniffing.
In Progress® Telerik® Reporting versions prior to 2025 Q1 (19.0.25.211), information disclosure is possible by a local threat actor through an absolute path vulnerability.