High · 8.1 CVE-2026-13185 EUVD-2026-47690GHSA-j72w-hfj3-hj2x

PersistenceFramework Cookie Deserialization Vulnerability in Telerik UI for ASP.NET AJAX

Published Jul 22, 2026 · Updated Jul 24, 2026 · Assigned by ProgressSoftware

Vendor: Progress Software Product: Telerik UI for ASP.NET AJAX

Description

In Progress® Telerik® UI for AJAX prior to v2026.2.708, applications using cookie-based storage in RadPersistenceManager or RadDockLayout deserialize attacker-controlled cookie content, allowing unauthenticated remote code execution.

Affected products

Vendor	Product	Affected	Fixed
Progress Software	Telerik UI for ASP.NET AJAX	2013.1.220 – < 2026.2.708	2026.2.708

References

https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-persistence-cookie-deserialization-CVE-2026-13185 vendor-advisory