What is CVE-2026-106134?

CVE-2026-106134 is a medium-severity vulnerability in Progress Software Kendoreact, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-11-06.

How severe is CVE-2026-106134?

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

XSS in Progress Software Kendoreact

CVE-2026-106134

Cross-Site Scripting (XSS) in the Menu component (@progress/kendo-react-layout) in Progress Software KendoReact versions 1.3.0 through 16.1.0 allows a low-privileged attacker who can influence the Menu item data to execute arbitrary JavaScript in the origin of the application via an unsafe URL in a Menu item, which runs when a user selects the item.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-11-06 · last modified 2026-11-06.

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

EPSS: 0.002 (6.8th percentile), scored 2026-11-09.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Progress Software Kendoreact

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.telerik.com/kendo-react-ui/components/knowledge-base/kb-security-menu-xss-c… (vendor-advisory)

Frequently asked questions

What is CVE-2026-106134?: CVE-2026-106134 is a medium-severity vulnerability in Progress Software Kendoreact, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-11-06.
How severe is CVE-2026-106134?: Medium severity. CVSS v3 base score is 5.4 out of 10.