CVE-2026-13186— AppDataStorageProvider Path Traversal Deserialization 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，该漏洞源于文件持久化存储提供商中的路径遍历问题，当存储密钥来源于用户控制输入时，可能导致攻击者控制的序列化操作和远程代码执行。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Progress Software | Telerik UI for ASP.NET AJAX | 2013.1.220< 2026.2.708 |
affected |
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I. Basic Information for CVE-2026-13186
Vulnerability Information
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Vulnerability Title
AppDataStorageProvider Path Traversal Deserialization 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, a path traversal vulnerability in the file-based persistence storage provider can be exploited when the storage key is derived from user-controlled input, enabling attacker-controlled deserialization and remote code execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(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，该漏洞源于文件持久化存储提供商中的路径遍历问题，当存储密钥来源于用户控制输入时，可能导致攻击者控制的序列化操作和远程代码执行。
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 | 2013.1.220 ~ 2026.2.708 | - |
|
II. Public POCs for CVE-2026-13186
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-13186 (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-2026-13190 | 8.1 HIGH | PersistenceFramework Unsafe Type Resolution Vulnerability in Telerik UI for ASP.NET AJAX |
| CVE-2026-13189 | 7.5 HIGH | SpellChecker DictionaryLanguage Path Traversal Vulnerability in Telerik UI for ASP.NET AJA |
| 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 |
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V. Comments for CVE-2026-13186
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