CVE-2026-14865CWE-776

CVE-2026-14865

Medium · published July 22, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
36.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00432 · 36.5th percentile
Weakness
CWE-776 · Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
Published
2026-07-22T18:17Z
Affected products (1)
ProductVersionsFixed in
progress/telerik_ui_for_asp.net_ajax≥ 2009.31314, < 2026.2.7082026.2.708
References (1)
https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-rlb-xxe-injection-client-state-cve-2026-14865 · [email protected]
EPSS history
Timeline
  • 22 JUL 13:45Z
    XXE Denial of Service via RadLayoutBuilder Client State in Telerik UI for ASP.NET AJAX
    cvelistv5