CVE-2026-106149

Medium

Description

In Progress® Kendo® UI for jQuery prior to v2026.3.1015, the Menu component constructs HTML attributes from bound dataSource fields by string concatenation without proper neutralization. An attacker with low privileges who can control these fields can inject JavaScript event-handler attributes that execute when a user interacts with the affected Menu, compromising the confidentiality and integrity of data accessible in the user's browser context.

SeverityMedium

CVSS5.4

Exploit probability—

Product

Progress Kendo Ui

PublishedOct 15, 2026

First seenOct 15, 2026

Weakness typeCWE-80CWE-80

How to fix

Update

progress kendo_ui2026.3.1015 or later

Vendor advisories

telerik.com/kendo-jquery-ui/documentation/knowledge-base/kb-security-menu-xss-cve-2026-106149

Affected products

Product	Affected versions	Fixed in
progress kendo_ui	2011.2.804 ≤ v < 2026.3.1015	2026.3.1015

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