CVE-2026-6023
Deserialization of Untrusted Data 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 versions 2024.4.1114 through 2026.1.421, the RadFilter control is vulnerable to insecure deserialization when restoring filter state if the state is exposed to the client. If an attacker tampers with this state, a server-side remote code execution is possible.
| CWE | CWE-502 |
| Vendor | progress software |
| Product | telerik ui for asp.net ajax |
| Published | Apr 22, 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
2024.4.1114 < 2026.1.421