CVE-2026-13190 PersistenceFramework Unsafe Type Resolution Vulnerability in Telerik UI for ASP.NET AJAX

High 8.1 Published 22 Jul 2026 Updated 24 Jul 2026

An attacker can achieve remote code execution by exploiting unsafe type resolution in the persistence utilities of the Telerik UI for ASP.NET AJAX library.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-13190?

CVE-2026-13190 is a high-severity unsafe deserialization vulnerability in Progress Software Telerik UI for ASP.NET AJAX, published on 22 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-502

Which versions are affected by CVE-2026-13190?

It affects 1 product.

Products include Progress Telerik Ui for Asp.net Ajax.

How do I fix CVE-2026-13190?

No fix has been published for CVE-2026-13190 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2026-13190 being exploited?

There is no known exploitation of CVE-2026-13190 in the wild and no public exploit code.

Sources

Also known as GHSA-p8j7-r543-2gf8.