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CVE-2026-124705— URL Redirection to Untrusted Site in Progress Telerik UI for .NET MAUI

Quick assessment

Affected
Progress Software Telerik UI for .NET MAUI
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在版本 16.0.0 之前的 In Progress® Telerik® UI for .NET MAUI 中，RadRichTextEditor 的超链接处理机制和 RadPdfViewer 的链接注释处理机制存在不受信任的 URL 重定向漏洞。该漏洞允许未认证的攻击者通过用户打开的、包含非白名单 URI 方案的精心构造文档或 PDF 链接，利用攻击者控制的参数启动任意的操作系统协议处理器。

CVSS 7.8 · High
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I. Basic Information for CVE-2026-124705

Vulnerability Information
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Vulnerability Title
URL Redirection to Untrusted Site in Progress Telerik UI for .NET MAUI
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Progress Software Telerik UI for .NET MAUI 5.2.0 ~ 16.0.0 -

II. Public POCs for CVE-2026-124705

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-124705

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Other References for CVE-2026-124705 (1)

Same Patch Batch · Progress Software · 2026-11-12 · 7 CVEs total

CVE-2026-124704 7.8 HIGH Deserialization of Untrusted Data in Progress Telerik UI for WPF
CVE-2026-124703 7.8 HIGH Improper Control of Generation of Code in Progress Telerik UI for WPF
CVE-2026-124701 7.8 HIGH Deserialization of Untrusted Data in Progress Telerik UI for WinForms
CVE-2026-124699 7.8 HIGH Improper Control of Generation of Code in Progress Telerik UI for WinForms
CVE-2026-106140 7.3 HIGH Deserialization of Untrusted Data in Telerik Reporting Report Designers
CVE-2026-118975 6.5 MEDIUM XML External Entity (XXE) Injection in Telerik Reporting SVG Processing

IV. Related Vulnerabilities

Same vendor: Progress Software
Same weakness: CWE-601