CVE-2026-124705
Received Received - Intake

Untrusted URL Redirection in Telerik UI for .NET MAUI

Publication date: 2026-11-12

Last updated on: 2026-11-12

Assigner: Progress Software Corporation

Description
In Progress® Telerik® UI for .NET MAUI prior to version 16.0.0, an untrusted URL redirection vulnerability in the RadRichTextEditor hyperlink handling and the RadPdfViewer link annotation handling allows an unauthenticated attacker to launch arbitrary operating system protocol handlers with attacker-controlled arguments via a crafted document or PDF link with a non-allowlisted URI scheme that the user opens.

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Meta Information

Published
2026-11-12
Last Modified
2026-11-12
Generated
2026-11-12
AI Q&A
2026-11-12
EPSS Evaluated
N/A
NVD
CVE-2026-124705
EUVD
EUVD-2026-124364

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Progress Software Telerik UI for .NET MAUI From 5.2.0 (inc) to 16.0.0 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-601 The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.

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Executive Summary

This vulnerability affects Progress Telerik UI for .NET MAUI versions before 16.0.0. It allows an attacker to trick users into opening a malicious document or PDF containing a link with an unapproved URI scheme. When clicked, this link can execute arbitrary operating system commands with user privileges.

Detection Guidance

To detect this vulnerability, inspect documents or PDFs opened in Telerik UI for .NET MAUI for non-allowlisted URI schemes in hyperlinks or link annotations. Check application logs for unexpected protocol handler launches.

Impact Analysis

An attacker could exploit this to run malicious programs on your system if you open a specially crafted document or PDF. This could lead to data theft, malware installation, or unauthorized system access, depending on your permissions.

Compliance Impact

This vulnerability could potentially violate compliance with GDPR and HIPAA by enabling unauthorized execution of system commands through crafted links, which may lead to data exfiltration or unauthorized access to sensitive information if exploited.

Mitigation Strategies

Upgrade Telerik UI for .NET MAUI to version 16.0.0 or later. Disable or restrict non-allowlisted URI schemes in hyperlinks and PDF links. Monitor for suspicious document or PDF interactions.

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