CVE-2026-13181
RadAsyncUpload AsyncUploadTypeName Type Resolution Vulnerability in Telerik UI for ASP.NET AJAX
- Published
- Jul 22, 2026
- Updated
- Jul 24, 2026
- Assigning CNA
- ProgressSoftware
- Evidence observed
- Sep 7, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 53.8%
- Model date
- Oct 17, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
In Progress® Telerik® UI for AJAX prior to v2026.2.708, forged upload metadata can influence AsyncUploadTypeName processing and trigger unsafe attacker-controlled type resolution, enabling remote code execution in affected deployments.
Sources
Proof-of-concept exploit for CVE-2026-13181 affecting Telerik web components, demonstrating remote code execution via crafted requests.
Educational proof-of-concept for Telerik padding oracle vulnerabilities (CVE-2026-13181-184) with scripts for authorized security testing and research.
Responsible use
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