CVE-2026-13184 — RadAsyncUpload Default HMAC Key Fallback Vulnerability in Telerik UI for ASP.NET AJAX

CVE-2026-13184

RadAsyncUpload Default HMAC Key Fallback Vulnerability in Telerik UI for ASP.NET AJAX PUBLISHED

Description (CNA)

In Progress® Telerik® UI for AJAX prior to v2026.2.708, when Telerik.Upload.ConfigurationHashKey is absent and machineKey is not explicitly configured, upload metadata integrity protection may fall back to a predictable default key, enabling attackers to forge protected upload metadata and unlock further exploit chains.

Affected (CNA)

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

CWE

CWE-321

References

https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-rau-unauth-deserialization-chain-cve-2026-13184

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.