CVE-2026-18672

RadImageEditor ClientState Unauthenticated Arbitrary File Read Vulnerability in Telerik UI for ASP.NET AJAX

State: Published
Severity: 7.5 High
Published: Sep 2, 2026
Updated: Sep 2, 2026
Reserved: Aug 3, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	ProgressSoftware

Weaknesses

CWE-22 Path Traversal

Affected Products

Product	Versions
Telerik UI for ASP.NET AJAXProgress Software	2011.2.712 to before 2026.3.812Affected

References

https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-rie-path-traversal-cve-2026-18672vendor-advisory

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