CVE-2026-13182 — RadAsyncUpload Client-State Decrypt-vs-Parse Oracle Vulnerability in Telerik UI for ASP.NET AJAX

CVE-2026-13182

RadAsyncUpload Client-State Decrypt-vs-Parse Oracle Vulnerability in Telerik UI for ASP.NET AJAX PUBLISHED

Description (CNA)

In Progress® Telerik® UI for AJAX prior to v2026.2.708, RadAsyncUpload client-state processing can distinguish decrypt failures from invalid-JSON parse failures, creating an oracle that reveals protected metadata values to remote attackers.

Affected (CNA)

Vendor / product	Versions
Progress Software / Telerik UI for ASP.NET AJAX	affected 2010.1.309 before 2026.2.708

CWE

CWE-209

References

https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-rau-padding-oracle-cve-2026-13182

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.