Vulnerability in Progress Telerik Ui For Asp.net Ajax

CVE-2026-13187

In Progress® Telerik® UI for AJAX prior to v2026.2.708, DialogHandler provider type input may be tampered with, potentially altering dialog processing and enabling chained exploitation.

EPSS: 0.005 (38.8th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-13187?
CVE-2026-13187 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-2026-13187?
High severity. CVSS v3 base score is 8.1 out of 10.