Is CVE-2026-13186 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-13186?

CVE-2026-13186 has a CVSS v3 severity of HIGH (8.1).

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CVE-2026-13186

Description

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.