CVE-2026-13189: high-severity vulnerability in Progress Software Telerik UI for ASP.NET AJAX
SpellChecker DictionaryLanguage Path Traversal Vulnerability in Telerik UI for ASP.NET AJAX
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.4%
In Progress® Telerik® UI for AJAX prior to v2026.2.708, insufficient validation of the language parameter in the spell check handler may allow an attacker to influence server-side file path resolution and trigger unintended server-side requests.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products
Progress Software · Telerik UI for ASP.NET AJAXRelated CVEs — Progress Software Telerik UI for ASP.NET AJAX
In the same product, most dangerous first.
CVE-2025-3600HIGHUnsafe Reflection Vulnerability in Telerik UI for ASP.NET AJAXEPSS 26.3%CVE-2026-13186HIGHAppDataStorageProvider Path Traversal Deserialization Vulnerability in Telerik UI for ASP.NET AJAXEPSS 0.7%CVE-2026-13181HIGHRadAsyncUpload AsyncUploadTypeName Type Resolution Vulnerability in Telerik UI for ASP.NET AJAXEPSS 0.7%CVE-2026-13185HIGHPersistenceFramework Cookie Deserialization Vulnerability in Telerik UI for ASP.NET AJAXEPSS 0.7%CVE-2026-6023HIGHDeserialization of Untrusted Data Vulnerability in Telerik UI for ASP.NET AJAXEPSS 0.5%CVE-2026-13190HIGHPersistenceFramework Unsafe Type Resolution Vulnerability in Telerik UI for ASP.NET AJAXEPSS 0.5%