CVE-2026-13185

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

State: Published
Severity: 8.1 High
Published: Jul 22, 2026
Updated: Jul 24, 2026
Reserved: Jun 24, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	8.1 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	ProgressSoftware

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
Telerik UI for ASP.NET AJAXProgress Software	2013.1.220 to before 2026.2.708Affected

References

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

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