Telerik Flaw Chain Lets Unauthenticated Attackers Turn Padding Oracle Into Remote Code Execution
Mon Sep 07 2026
Software
Vulnerability
cybersecuritynews.com
Security researchers have uncovered a significant vulnerability chain in Telerik UI for ASP.NET AJAX, allowing unauthenticated attackers to execute remote code in vulnerable enterprise web applications. The issue primarily affects Telerik’s RadAsyncUpload component, a widely used file-upload control in ASP.NET WebForms applications. Progress Software has indicated that the flaw impacts versions from 2010.1.309 to 2026.2.519. […]
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