CVE-2026-106150 Progress Software CVE debrief

Who should care

Defenders responsible for Kendo UI for jQuery deployments, particularly those with user-interactive components, should assess exposure and apply the vendor-provided patch. This includes developers, administrators, and security teams managing Kendo UI for jQuery versions prior to 2026.3.1015, as they are vulnerable to potential JavaScript injection attacks through iframe URLs or crafted titles.

Why it matters

Defenders should care about CVE-2026-106150 because it allows an attacker with low privileges to inject malicious JavaScript, compromising data confidentiality and integrity in Kendo UI for jQuery deployments. Affected roles include developers and administrators of Kendo UI for jQuery. The vulnerability supports data confidentiality and integrity compromise, and requires verification of exposure and prompt application of the vendor-provided patch.

• Data confidentiality and integrity compromise
• Potential for JavaScript execution in user browser context
• Need for verification of Kendo UI for jQuery versions and exposure
• Priority for applying vendor-provided security patch

Technical summary

The vulnerability exists in Progress Kendo UI for jQuery versions prior to 2026.3.1015, specifically in the Splitter and Window components starting with version 2011.2.804 and the Tooltip component starting with version 2013.1.319. An attacker can inject HTML attributes, including JavaScript event handlers, through an apostrophe in an iframe URL or a crafted title. This can lead to JavaScript execution in the user's browser context when interacting with the affected component, compromising data confidentiality and integrity.

Defensive priority

Defenders should prioritize verifying exposure of Kendo UI for jQuery versions prior to 2026.3.1015 and applying the vendor-provided patch.

Recommended defensive actions

• Verify Kendo UI for jQuery versions and apply patch 2026.3.1015 or later
• Review and sanitize iframe URL values and Window iframe titles
• Monitor for suspicious user interactions with affected components
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and source item provide details on the vulnerability, affected versions, and vendor advisory. However, additional information on exploitation or victim impact is not available. Defenders should verify Kendo UI for jQuery versions and review iframe URL values and Window iframe titles for potential vulnerabilities. Limited source detail suggests cautious verification of exposure and prompt application of the vendor-provided patch.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.