CVE-2026-18672

HIGH 7.5

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

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-22
Vendor	progress software
Product	telerik ui for asp.net ajax
Published	Sep 2, 2026
Last Updated	Sep 2, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

Progress Software / Telerik UI for ASP.NET AJAX

2011.2.712 < 2026.3.812

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Marcio Almeida of TantoSec