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Telerik UI Padding-Oracle Bug Chained to Unauthenticated RCE, Public Exploit Released
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Telerik UI Padding-Oracle Bug Chained to Unauthenticated RCE, Public Exploit Released

A TantoSec proof-of-concept turns an AES-CBC “padding oracle” in Telerik UI for ASP.NET AJAX into unauthenticated remote code execution, but only against applications in a specific non-default configuration, and Progress patched the chain in July. There are no confirmed reports of exploitation in the wild.Security firm TantoSec has published a working exploit chain targeting vulnerabilities

First seen on thehackernews.com

Jump to article: thehackernews.com/2026/09/telerik-ui-padding-oracle-bug-chained.html

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