CVE-2026-2878

5.9 mediumEPSS 0.2%

Medium (5.9) in progress telerik ui for asp.net ajax. EPSS 0.2% chance of exploitation in the next 30 days.

In Progress® Telerik® UI for AJAX, versions prior to 2026.1.225, an insufficient entropy vulnerability exists in RadAsyncUpload, where a predictable temporary identifier, based on timestamp and filename, can enable collisions and file content tampering.

Severity

CVSS 3.1

5.9 medium

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 11% of CVEs (scores of 2026-10-31)
CWE: CWE-331
Published: 2026-02-25
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

progress:telerik_ui_for_asp.net_ajax

References

https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-insufficient-entropy-cve-2026-2878

Check your stack JSON