← Back to feed
Vulnerabilities & PatchesEmerging1 sourceSep 7, 2026 · 11:20via The Hacker News

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

Brief

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

Read more on The Hacker News