PT-2026-63398 · Progress · Telerik Ui For Asp.Net Ajax

Marcio Almeida · CVE-2026-13184 · Published 2026-07-22 · Updated 2026-07-22

NVD

CVSS v3.1

7.5

High

Base vector

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

In Progress® Telerik® UI for AJAX prior to v2026.2.708, when Telerik.Upload.ConfigurationHashKey is absent and machineKey is not explicitly configured, upload metadata integrity protection may fall back to a predictable default key, enabling attackers to forge protected upload metadata and unlock further exploit chains.

Fix

Weakness Enumeration

CWE-321

Related Identifiers

CVE-2026-13184

Affected Products

Telerik Ui For Asp.Net Ajax

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-13184 · Security Note
• https://telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-rau-unauth-deserialization-chain-cve-2026-13184 · Vendor Advisory