CVE-2026-13189

HIGH

SpellChecker DictionaryLanguage Path Traversal Vulnerability in Telerik UI for ASP.NET AJAX

Title source: cna

Description

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.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory

https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-spellchecker-dictionarylanguage-path-traversal-CVE-2026-13189

Scores

CVSS v3 7.5

EPSS 0.0034

EPSS Percentile 26.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-36

Status published

Products (1)

Progress Software/Telerik UI for ASP.NET AJAX 2011.2.712 - 2026.2.708

Published Jul 22, 2026

Tracked Since Jul 22, 2026