CVE-2026-13186

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.

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-appdata-path-traversal-deserialization-CVE-2026-13186	Vendor Advisory Mitigation

Configurations

Configuration 1 (hide)

cpe:2.3:a:progress:telerik_ui_for_asp.net_ajax:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-07-22 14:17

Updated : 2026-08-06 18:06

NVD link : CVE-2026-13186

Mitre link : CVE-2026-13186

CVE.ORG link : CVE-2026-13186

JSON object : View

Products Affected

progress

telerik_ui_for_asp.net_ajax

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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