CVE-2026-14865

MEDIUM

XXE Denial of Service via RadLayoutBuilder Client State in Telerik UI for ASP.NET AJAX

Title source: cna

Description

In Progress® Telerik® UI for AJAX prior to v2026.2.708, the internal LayoutBuilder control processes client-state XML without disabling DTD processing, allowing unauthenticated denial of service via recursive XML entity expansion.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory

https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-rlb-xxe-injection-client-state-cve-2026-14865

Scores

CVSS v3 5.3

EPSS 0.0024

EPSS Percentile 14.9%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-776

Status published

Products (1)

Progress Software/Telerik UI for ASP.NET AJAX 2009.1.314 - 2026.2.708

Published Jul 22, 2026

Tracked Since Jul 22, 2026