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From Padding Oracle to Shell: Unauthenticated RCE in Telerik UI for ASP.NET AJAX

📅 September 7, 2026 📰 tantosec.com 🔍 4 CVE(s) referenced

A chain of unauthenticated vulnerabilities in Telerik UI for ASP.NET AJAX enables attackers to exploit a padding oracle and insecure deserialization, ultimately achieving remote code execution and deploying webshells without credentials, affecting years of enterprise deployments until patched in version 2026.2.708.

unclassified
CVE-2026-13184, CVE-2026-13183, CVE-2026-13181, CVE-2026-13182

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