CVE-2026-18672

High

Description

In Progress® Telerik® UI for AJAX prior to v2026.3.812, insufficient validation of client-supplied state in RadImageEditor may allow an attacker to influence which file is returned by the control's image cache, potentially exposing file contents outside the intended image directories.

SeverityHigh

CVSS7.5

Exploit probability—

ProductTelerik UI for ASP.NET AJAX

PublishedSep 2, 2026

First seenSep 2, 2026

Weakness typeCWE-22Path traversal

How to fix

Update

Progress Software Telerik UI for ASP.NET AJAX2026.3.812 or later

Vendor advisories

telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-rie-path-traversal-cve-2026-18672

Affected products

Product	Affected versions	Fixed in
Progress Software Telerik UI for ASP.NET AJAX	2011.2.712 ≤ v < 2026.3.812	2026.3.812

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