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CVE-2026-106153

5.4 · MEDIUM

In Progress® Kendo® UI for jQuery prior to version 2026.3.1015, the Calendar and MultiViewCalendar month content templates render data.url and data.title without proper URL sanitization and HTML at…

Published Oct 15, 2026progressCWE-79EPSS 0.18%

Overview

CVE-2026-106153 is a medium-severity vulnerability affecting progress kendo_ui. It was published on October 15, 2026 and has a CVSS 3.1 base score of 5.4 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

In Progress® Kendo® UI for jQuery prior to version 2026.3.1015, the Calendar and MultiViewCalendar month content templates render data.url and data.title without proper URL sanitization and HTML attribute encoding. An attacker with low privileges who can control the URL option or culture-derived title values can supply a JavaScript URL or inject event-handler attributes. When a user interacts with an affected calendar, JavaScript can execute in the user's browser context and compromise the confidentiality and integrity of accessible data.

Remediation

Check the references section for vendor advisories and patches from progress. Update kendo_ui to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
progresskendo_ui>= 2011.3.1007, < 2026.3.1015Affected

References

Refwww.telerik.com/kendo-jquery-ui/documentation/knowledge-base/kb-security-calendar-month-template-xss-cve-2026-106153

How CyberStrike helps

Frequently asked questions

What is CVE-2026-106153?

CVE-2026-106153 is a medium-severity vulnerability affecting progress kendo_ui. It was published on October 15, 2026 and has a CVSS 3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2026-106153?

This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-106153?

Check the references section for vendor advisories and patches from progress. Update kendo_ui to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-106153?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-106153 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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