CVE-2026-13188 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Progress Software

Telerik UI for ASP.NET AJAX

unaffected

Version	Status	Constraints
`2011.2.712`	affected	< 2026.2.708

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

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

History

Wed, 22 Jul 2026 20:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Wed, 22 Jul 2026 14:00:00 +0000

Type	Values Removed	Values Added
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.
Title		DialogHandler Parameters Tampering Vulnerability in Telerik UI for ASP.NET AJAX
Weaknesses		CWE-345
References		https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-dialoghandler-parameters-tampering-CVE-2026-13188
Metrics		cvssV3_1 `{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: ProgressSoftware

Published: 2026-07-22T13:41:29.942Z

Updated: 2026-07-22T19:12:15.521Z

Reserved: 2026-06-24T13:46:41.850Z

Link: CVE-2026-13188

Vulnrichment

Updated: 2026-07-22T19:12:11.426Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-345

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