What is CVE-2026-106144?

CVE-2026-106144 is a medium-severity vulnerability in Progress Software Kendo Ui For Angular, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 4.1/10. Published 2026-11-06.

How severe is CVE-2026-106144?

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

Prototype Pollution in Progress Software Kendo Ui For Angular

CVE-2026-106144

Prototype Pollution in the Scheduler component (@progress/kendo-angular-scheduler and @progress/kendo-angular-common) in Progress Software Kendo UI for Angular versions prior to 25.1.0 allows a high-privileged attacker who can control a field path processed by 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

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 Angular

Weakness classification (CWE)

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

References

www.telerik.com/kendo-angular-ui/components/knowledge-base/kb-security-prototyp… (vendor-advisory)

Frequently asked questions

What is CVE-2026-106144?: CVE-2026-106144 is a medium-severity vulnerability in Progress Software Kendo Ui For Angular, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 4.1/10. Published 2026-11-06.
How severe is CVE-2026-106144?: Medium severity. CVSS v3 base score is 4.1 out of 10.