CVE-2026-13189— SpellChecker DictionaryLanguage Path Traversal Vulnerability in Telerik UI for ASP.NET AJAX
Quick assessment
Affected
Progress Software Telerik UI for ASP.NET AJAX
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Progress Telerik UI for AJAX是Progress Software公司的一套Web界面组件库。 Progress Software Progress Telerik UI for AJAX 2026.2.708之前版本存在路径遍历漏洞，该漏洞源于拼写检查处理程序中对语言参数的验证不足，可能导致攻击者影响服务器端文件路径解析并触发意外的服务器端请求。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Progress Software | Telerik UI for ASP.NET AJAX | 2011.2.712< 2026.2.708 |
affected |
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I. Basic Information for CVE-2026-13189
Vulnerability Information
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Vulnerability Title
SpellChecker DictionaryLanguage Path Traversal Vulnerability in Telerik UI for ASP.NET AJAX
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
绝对路径遍历
Source: CVE Program / CVE List V5
Vulnerability Title
Progress Software Progress Telerik UI for AJAX 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Progress Telerik UI for AJAX是Progress Software公司的一套Web界面组件库。 Progress Software Progress Telerik UI for AJAX 2026.2.708之前版本存在路径遍历漏洞，该漏洞源于拼写检查处理程序中对语言参数的验证不足，可能导致攻击者影响服务器端文件路径解析并触发意外的服务器端请求。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Progress Software | Telerik UI for ASP.NET AJAX | 2011.2.712 ~ 2026.2.708 | - |
|
II. Public POCs for CVE-2026-13189
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-13189 (1)
Same Patch Batch · Progress Software · 2026-07-22 · 13 CVEs total
| CVE-2026-13185 | 8.1 HIGH | PersistenceFramework Cookie Deserialization Vulnerability in Telerik UI for ASP.NET AJAX |
| CVE-2026-13187 | 8.1 HIGH | DialogHandler Provider Type Tampering Vulnerability in Telerik UI for ASP.NET AJAX |
| CVE-2026-13181 | 8.1 HIGH | RadAsyncUpload AsyncUploadTypeName Type Resolution Vulnerability in Telerik UI for ASP.NET |
| CVE-2026-13186 | 8.1 HIGH | AppDataStorageProvider Path Traversal Deserialization Vulnerability in Telerik UI for ASP. |
| CVE-2026-13190 | 8.1 HIGH | PersistenceFramework Unsafe Type Resolution Vulnerability in Telerik UI for ASP.NET AJAX |
| CVE-2026-13184 | 7.5 HIGH | RadAsyncUpload Default HMAC Key Fallback Vulnerability in Telerik UI for ASP.NET AJAX |
| CVE-2026-13182 | 7.5 HIGH | RadAsyncUpload Client-State Decrypt-vs-Parse Oracle Vulnerability in Telerik UI for ASP.NE |
| CVE-2026-13183 | 7.5 HIGH | RadAsyncUpload Upload Metadata Timing Oracle Vulnerability in Telerik UI for ASP.NET AJAX |
| CVE-2026-14932 | 6.5 MEDIUM | Unauthenticated File Read and Deletion via Hardcoded Encryption Key in RadChart |
| CVE-2026-13192 | 6.5 MEDIUM | RadEditor PDF Export SSRF Vulnerability in Telerik UI for ASP.NET AJAX |
| CVE-2026-13188 | 5.9 MEDIUM | DialogHandler Parameters Tampering Vulnerability in Telerik UI for ASP.NET AJAX |
| CVE-2026-14865 | 5.3 MEDIUM | XXE Denial of Service via RadLayoutBuilder Client State in Telerik UI for ASP.NET AJAX |
IV. Related Vulnerabilities
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CVE-2026-14865
XXE Denial of Service via RadLayoutBuilder Client State in T -
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V. Comments for CVE-2026-13189
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