High severity8.1NVD Advisory· Published Jul 22, 2026· Updated Aug 6, 2026

CVE-2026-13185

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Progress (organisation)/Telerik Ui For Asp.net Ajax2 versions
cpe:2.3:a:progress:telerik_ui_for_asp.net_ajax:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:progress:telerik_ui_for_asp.net_ajax:*:*:*:*:*:*:*:*range: >=2013.1.220,<2026.2.708
- (no CPE)range: <2026.2.708
Telerik/Ui For Asp.net Ajaxllm-fuzzy
Range: <2026.2.708

Patches

Vulnerability mechanics

References

www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-persistence-cookie-deserialization-CVE-2026-13185nvdVendor AdvisoryMitigation

News mentions

Telerik UI Padding-Oracle Bug Chained to Unauthenticated RCE — Public Exploit Released
The Hacker News · Sep 7, 2026

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