What’s Vulnerable › Vulnerabilities
CVE-2026-18672: RadImageEditor ClientState Unauthenticated Arbitrary File Read Vulnerability in Telerik UI for ASP.NET AJAX
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-02 · updated 2026-09-08
- Weakness: CWE-22
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.
Affected products
- Progress Software Telerik UI for ASP.NET AJAX: from 2011.2.712 before 2026.3.812 — fixed in 2026.3.812
How to fix
Upgrade to a fixed version: Progress Software Telerik UI for ASP.NET AJAX 2026.3.812. Check the vendor advisory for mitigations.
References
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