CVE-2026-13190: Progress Telerik UI For ASP.NET AJAX

High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days.

In Progress® Telerik® UI for AJAX prior to v2026.2.708, a deserialization vulnerability in the persistence utilities allows unsafe type instantiation from attacker-influenced persisted state, which can lead to remote code execution.

Affected products

• Progress Telerik UI For ASP.NET AJAX: from 2011.2712, before 2026.2.708 (fixed in 2026.2.708)

Published 2026-07-22. Last modified 2026-08-06.