What is CVE-2026-106128?

CVE-2026-106128 is a medium-severity vulnerability in Progress Software Kendo Ui For Vue, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 4.1/10. Published 2026-11-06.

How severe is CVE-2026-106128?

Medium severity. CVSS v3 base score is 4.1 out of 10.

Prototype Pollution in Progress Software Kendo Ui For Vue

CVE-2026-106128

Prototype Pollution in @progress/kendo-vue-common in Progress Software Kendo UI for Vue versions 0.4.0 through 9.2.0 allows a high-privileged attacker who can control a field path processed by components such as the Scheduler to modify the prototype of built-in objects, resulting in a limited impact on confidentiality, integrity, and availability.

Vulnerability class: Prototype Pollution

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

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (11.4th percentile), scored 2026-11-09.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.4% 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 Kendo Ui For Vue

Weakness classification (CWE)

CWE-1321 — Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution)

References

www.telerik.com/kendo-vue-ui/components/knowledge-base/kb-security-prototype-po… (vendor-advisory)

Frequently asked questions

What is CVE-2026-106128?: CVE-2026-106128 is a medium-severity vulnerability in Progress Software Kendo Ui For Vue, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 4.1/10. Published 2026-11-06.
How severe is CVE-2026-106128?: Medium severity. CVSS v3 base score is 4.1 out of 10.