CVE-2026-13186CWE-22path-traversal

CVE-2026-13186

High · published July 22, 2026

CVSS v3.1
8.1
EPSS
1%
Percentile
53.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00732 · 53.8th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-07-22T18:17Z
Affected products (1)
ProductVersionsFixed in
progress/telerik_ui_for_asp.net_ajax≥ 2013.1.220, < 2026.2.7082026.2.708
References (1)
https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-appdata-path-traversal-deserialization-CVE-2026-13186 · [email protected]
EPSS history
Timeline
  • 22 JUL 13:39Z
    AppDataStorageProvider Path Traversal Deserialization Vulnerability in Telerik UI for ASP.NET AJAX
    cvelistv5