CVE-2026-13188

Published: Jul 22, 2026Modified: Aug 6, 2026

5.9

Vector

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

Exploitability: 2.2 / Impact: 3.6

Source: security@progress.com (Secondary)

Description

In Progress® Telerik® UI for AJAX prior to v2026.2.708, DialogHandler request parameters may be tampered with, potentially altering dialog server-side behavior and enabling chained exploitation.

Affected (1)

Products: Progress: Telerik Ui For Asp.net Ajax

Progress

1 product

Telerik Ui For Asp.net Ajax

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Progress Telerik Ui For Asp.net Ajax	From 2011.2712 to 2026.2.708

Related CWEs

CWE-345

Insufficient Verification of Data Authenticity

The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.

References (1)

https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-dialoghandler-parameters-tampering-CVE-2026-13188

Source: security@progress.com

Vendor AdvisoryMitigation

Timeline

No history available yet.