CVE-2026-13182

EUVD-2026-47687
In Progress® Telerik® UI for AJAX prior to v2026.2.708, RadAsyncUpload client-state processing can distinguish decrypt failures from invalid-JSON parse failures, creating an oracle that reveals protected metadata values to remote attackers.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 43.49%
Affected Products (NVD)
VendorProductVersion
progresstelerik_ui_for_asp.net_ajax
2010.1309 ≤
𝑥
< 2026.2.708
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-rau-padding-oracle-cve-2026-13182