CVE-2026-124700
URL Redirection to Untrusted Site in Progress Telerik UI for WinForms
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
In Telerik UI for WinForms, versions prior to 2026.4.1111, an untrusted URL redirection vulnerability exists that allows an attacker to launch arbitrary operating system protocol handlers with attacker-controlled arguments via crafted documents and hyperlinks with a non-allowlisted URI scheme that the user opens.
| CWE | CWE-601 |
| Vendor | progress software |
| Product | telerik ui for winforms |
| Published | Nov 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Progress Software / Telerik UI for WinForms
2026.3.1007 < 2026.4.1111