PT-2026-63397 · Progress · Telerik Ui For Asp.Net Ajax

Justin Steven + 1 · CVE-2026-13183 · 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 upload metadata processing may leak cryptographic validity through measurable timing differences, enabling remote attackers to recover protected metadata values.

Fix

Weakness Enumeration

CWE-208

Related Identifiers

CVE-2026-13183

Affected Products

Telerik Ui For Asp.Net Ajax

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-13183 · Security Note
• https://telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-rau-timing-oracle-CVE-2026-13183 · Vendor Advisory