CVE-2026-19219

HIGH 8.1

DialogHandler UploadPaths Tampering Vulnerability in Telerik UI for ASP.NET AJAX

CVSS Score

8.1

EPSS Score

0.0%

EPSS Percentile

0th

In Progress® Telerik® UI for AJAX prior to v2026.3.812, insufficient integrity protection of dialog request parameters used by the RadEditor file browser may allow an attacker who has obtained certain application encryption key material to alter the folders the file browser reads from, writes to, and uploads into, potentially resulting in remote code execution.

CWE	CWE-345 CWE-434
Vendor	progress software
Product	telerik ui for asp.net ajax
Published	Sep 2, 2026
Last Updated	Sep 3, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Progress Software / Telerik UI for ASP.NET AJAX

2011.2.712 < 2026.3.812

References

NVD ↗ CVE.org ↗ EPSS Data ↗

telerik.com: https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-dialoghandler-uploadpaths-tampering-cve-2026-19219

Credits

Marcio Almeida of TantoSec