Vulnerability in Progress Telerik Ui For Asp.net Ajax
CVE-2026-13181
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (54.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.001
Affected products
- Progress Telerik Ui For Asp.net Ajax
- Progress Software Telerik Ui For Asp.net Ajax — versions 2010.1.309
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-r… (vendor-advisory, Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-13181?
- CVE-2026-13181 is a high-severity vulnerability in Progress Telerik Ui For Asp.net Ajax, classified under Use of Externally-Controlled Input to Select Classes or Code (Unsafe Reflection). CVSS score: 8.1/10. Published 2026-07-22.
- How severe is CVE-2026-13181?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2026-13181 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.