1. Home
  2. CVE Database
  3. CVE-2026-14865
MEDIUM · 5.3

CVE-2026-14865

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 r...

Vulnerability 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.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW

Affected Products

VendorProductVersions
ProgressTelerik Ui For Asp.Net Ajax>= 2009.31314, < 2026.2.708

Related Weaknesses (CWE)

CWE-776

References

FAQ

What is CVE-2026-14865?

CVE-2026-14865 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 r...

How severe is CVE-2026-14865?

CVE-2026-14865 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-14865?

Check the references section above for vendor advisories and patch information. Affected products include: Progress Telerik Ui For Asp.Net Ajax.