PT-2026-63403 · Progress · Telerik Ui For Asp.Net Ajax

Marcio Almeida · CVE-2026-13189 · Published 2026-07-22 · Updated 2026-07-22

Mitre

CVSS v3.1

7.5

High

Base vector

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

In Progress® Telerik® UI for AJAX prior to v2026.2.708, insufficient validation of the language parameter in the spell check handler may allow an attacker to influence server-side file path resolution and trigger unintended server-side requests.

Fix

Weakness Enumeration

CWE-36

Related Identifiers

CVE-2026-13189

Affected Products

Telerik Ui For Asp.Net Ajax

References · 2

• https://telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-spellchecker-dictionarylanguage-path-traversal-CVE-2026-13189 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-13189 · Security Note