CVE-2026-13186

8.1 highEPSS 0.7%

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 3.1: 8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-25)
CWE: CWE-22
Published: 2026-07-22
Modified: 2026-10-24
Record from: the NVD, synced 2026-10-25

Affected

progress:telerik_ui_for_asp.net_ajax

References

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

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