CVE-2026-13183— RadAsyncUpload Upload Metadata Timing Oracle 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之前版本存在侧信道信息泄露漏洞，该漏洞源于RadAsyncUpload上传元数据处理可能通过可测量的时序差异泄露密码有效性，使远程攻击者能够恢复受保护的元数据值。
Possible ATT&CK Techniques 1 AI
T1213 · Data from Information RepositoriesAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Progress Software | Telerik UI for ASP.NET AJAX | 2010.1.309< 2026.2.708 |
affected |
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I. Basic Information for CVE-2026-13183
Vulnerability Information
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Vulnerability Title
RadAsyncUpload Upload Metadata Timing Oracle 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, RadAsyncUpload upload metadata processing may leak cryptographic validity through measurable timing differences, enabling remote attackers to recover protected metadata values.
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
通过时间差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Progress Software Progress Telerik UI for AJAX 侧信道信息泄露漏洞
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之前版本存在侧信道信息泄露漏洞，该漏洞源于RadAsyncUpload上传元数据处理可能通过可测量的时序差异泄露密码有效性，使远程攻击者能够恢复受保护的元数据值。
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 | 2010.1.309 ~ 2026.2.708 | - |
|
II. Public POCs for CVE-2026-13183
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-13183 (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-2026-13189 | 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-2026-14932 | 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-2026-13183
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