What is CVE-2026-106149?

CVE-2026-106149 is a medium-severity vulnerability in Progress Software Kendo Ui For Jquery, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 5.4/10. Published 2026-10-15.

How severe is CVE-2026-106149?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Progress Software Kendo Ui For Jquery

CVE-2026-106149

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.

Published 2026-10-15 · last modified 2026-10-15.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Progress Software Kendo Ui For Jquery

Weakness classification (CWE)

CWE-80 — Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

References

www.telerik.com/kendo-jquery-ui/documentation/knowledge-base/kb-security-menu-x… (vendor-advisory)

Frequently asked questions

What is CVE-2026-106149?: CVE-2026-106149 is a medium-severity vulnerability in Progress Software Kendo Ui For Jquery, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 5.4/10. Published 2026-10-15.
How severe is CVE-2026-106149?: Medium severity. CVSS v3 base score is 5.4 out of 10.