CVE-2026-6023

Published: Apr 22, 2026

Modified: Apr 23, 2026

PUBLISHED

CVSS v3.1

8.1

HIGH

Description

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.

Vendor	Product	Versions
Progress Software	Telerik UI for ASP.NET AJAX	affected `2024.4.1114 - < 2026.1.421`

Weaknesses (CWE)

CWE-502

CVSS v3.1 Details

CVSS v3.1 Vector

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

References

https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-deserialization-of-untrusted-data-cve-2026-6023

vendor-advisory

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CVE-2026-6023

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References