PT-2026-63396 · Progress · Telerik Ui For Asp.Net Ajax

Marcio Almeida · CVE-2026-13182 · Published 2026-07-22 · Updated 2026-07-22

Mitre

CVSS v3.1

7.5

High

Base vector

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

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.

Fix

Generation of Error Message Containing Sensitive Information

Weakness Enumeration

CWE-209

Related Identifiers

CVE-2026-13182

Affected Products

Telerik Ui For Asp.Net Ajax

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-13182 · Security Note
• https://telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-rau-padding-oracle-cve-2026-13182 · Vendor Advisory