DialogHandler Provider Type Tampering Vulnerability in Telerik UI for ASP.NET AJAX

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-13187
StatePUBLISHED
AssignerProgressSoftware
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-22 14:17:14 UTC
Updated2026-07-22 20:16:47 UTC
DescriptionIn Progress® Telerik® UI for AJAX prior to v2026.2.708, DialogHandler provider type input may be tampered with, potentially altering dialog processing and enabling chained exploitation.

Risk And Classification

Primary CVSS: v3.1 8.1 HIGH from [email protected]

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

Problem Types: CWE-470 | CWE-470 CWE-470 Use of Externally-Controlled Input to Select Classes or Code

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Progress Software Telerik UI For ASP.NET AJAX affected 2011.2.712 2026.2.708 custom Not specified

References

ReferenceSourceLinkTags
www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security... [email protected] www.telerik.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Marcio Almeida of TantoSec (en)

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