Resource exhaustion in Progress Telerik Ui For Asp.net Ajax
CVE-2026-6022
In Progress® Telerik® UI for AJAX prior to 2026.1.421, RadAsyncUpload contains an uncontrolled resource consumption vulnerability that allows file uploads to exceed the configured maximum size due to missing cumulative size enforcement during chunk reassembly, leading to disk space exhaustion.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (41.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Progress Telerik Ui For Asp.net Ajax
- Progress Software Telerik Ui For Asp.net Ajax — versions 2011.2.712
Weakness classification (CWE)
References
- www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-u… (vendor-advisory, Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-6022?
- CVE-2026-6022 is a high-severity vulnerability in Progress Telerik Ui For Asp.net Ajax, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-04-22.
- How severe is CVE-2026-6022?
- High severity. CVSS v3 base score is 7.5 out of 10.