CVE-2026-13181

RadAsyncUpload AsyncUploadTypeName Type Resolution 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, forged upload metadata can influence AsyncUploadTypeName processing and trigger unsafe attacker-controlled type resolution, enabling remote code execution in affected deployments.

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-470 Use of Externally-Controlled Input to Select Classes or Code

Affected Products

Product	Versions
Telerik UI for ASP.NET AJAXProgress Software	2010.1.309 to before 2026.2.708Affected

References

https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-rau-asyncuploadtypename-deserialization-CVE-2026-13181vendor-advisory

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