CVE-2026-13188

EUVD-2026-47693
In Progress® Telerik® UI for AJAX prior to v2026.2.708, DialogHandler request parameters may be tampered with, potentially altering dialog server-side behavior and enabling chained exploitation.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 5.05%
Affected Products (NVD)
VendorProductVersion
progresstelerik_ui_for_asp.net_ajax
2011.2712 ≤
𝑥
< 2026.2.708
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-dialoghandler-parameters-tampering-CVE-2026-13188