CVE-2026-13182 HIGH

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

Vendor Progress Software
Product Telerik UI for ASP.NET AJAX
Weakness CWE-209 · Error message info leak
Published July 22, 2026
Last update July 22, 2026
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 22, 2026 CVE published

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04Related CVE

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