Vulnerability · Published Apr 22, 2026 · Assigned by ProgressSoftware

CVE-2026-6022Uncontrolled Resource Consumption Vulnerability in Telerik UI for ASP.NET AJAX

High 7.5

In plain English

A high-severity uncontrolled resource consumption in Telerik UI for ASP.NET AJAX from Progress Software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.3%top 78.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In Progress® Telerik® UI for AJAX prior to 2026.1.421, RadAsyncUpload contains an uncontrolled resource consumption vulnerability that allows file uploads to exceed the configured maximum size due to missing cumulative size enforcement during chunk reassembly, leading to disk space exhaustion.

Affected products (as reported)

VendorProductVersions
Progress Software Telerik UI for ASP.NET AJAX 2011.2.712 – before 2026.1.421

Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References