PT-2026-63400 · Progress · Telerik Ui For Asp.Net Ajax

CVE-2026-13186 · Published 2026-07-22 · Updated 2026-07-22

NVD

CVSS v3.1

8.1

High

Base vector

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

In Progress® Telerik® UI for AJAX prior to v2026.2.708, a path traversal vulnerability in the file-based persistence storage provider can be exploited when the storage key is derived from user-controlled input, enabling attacker-controlled deserialization and remote code execution.

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2026-13186

Affected Products

Telerik Ui For Asp.Net Ajax

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-13186 · Security Note
• https://telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-appdata-path-traversal-deserialization-CVE-2026-13186 · Vendor Advisory