PT-2026-34266 · Progress · Telerik Ui For Asp.Net Ajax

Published 2026-04-22 · Updated 2026-04-22 · CVE-2026-6023

Mitre

CVSS v3.1

8.1

High

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2026-6023

Affected Products

Telerik Ui For Asp.Net Ajax

References · 2

• https://telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-deserialization-of-untrusted-data-cve-2026-6023 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-6023 · Security Note