# Vaadin vulnerabilities

Source: https://junglewise.ai/threats/vendors/vaadin  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 10 November 2026, 13:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/vaadin.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 9 vulnerabilities in Vaadin: 2 in the last 7 days and 8 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-120350, was published on 10 November 2026. 4 vulnerabilities in the last four weeks, up 100% on the four before (2). 1 technology has a page of its own.

## Counts

- Last 7 days: 2
- Last 30 days: 6
- Last 90 days: 8
- All time: 9 (0 critical, 0 exploited in the wild)

## About Vaadin

Vaadin is a Finnish software company that provides a web application development platform for Java.

## Latest Vaadin vulnerabilities

- [CVE-2026-120350: Vaadin Rich Text Editor stored XSS via video embed](https://junglewise.ai/threats/cve-2026-120350-the-vaadin-rich-text-editor-exports-a-video-embed-without) (info, published 10 Nov 2026)
- [CVE-2026-120326: Vaadin Flow unescaped Content-Disposition header injection](https://junglewise.ai/threats/cve-2026-120326-downloadevent-setfilename-string-in-vaadin-flow-writes-the) (info, published 10 Nov 2026)
- [CVE-2026-110737: Vaadin server push CORS header injection](https://junglewise.ai/threats/cve-2026-110737-the-push-endpoint-of-a-vaadin-application-that-uses-server-push) (info, published 27 Oct 2026)
- [CVE-2026-110974: Vaadin android-json stack overflow in JSON parsing](https://junglewise.ai/threats/cve-2026-110974-the-org-json-parser-in-com-vaadin-external-google-android-json) (info, published 22 Oct 2026)
- [CVE-2026-110803: Vaadin Framework 8 session lock denial of service](https://junglewise.ai/threats/cve-2026-110803-vaadinservice-requestend-in-vaadin-framework-8-locks-the-session) (info, published 21 Oct 2026)
- [CVE-2026-107588: Vaadin Charts multiple XSS and prototype pollution in bundled Highcharts](https://junglewise.ai/threats/cve-2026-107588-vaadin-charts-renders-charts-with-the-highcharts-library-and) (info, published 21 Oct 2026)
- [CVE-2026-93547: Vaadin Spreadsheet missing authorization check in cell comments](https://junglewise.ai/threats/cve-2026-93547-a-missing-authorization-check-in-the-vaadin-spreadsheet-component) (info, published 30 Sep 2026)
- [CVE-2026-91860: Vaadin Charts and Component Base prototype pollution in deep merge](https://junglewise.ai/threats/cve-2026-91860-a-prototype-pollution-vulnerability-exists-in-the-deep-merge) (info, published 30 Sep 2026)
- [CVE-2026-7860: Vaadin Maven and Gradle plugins information disclosure in build logs](https://junglewise.ai/threats/cve-2026-7860-vaadin-maven-and-gradle-plugins-information-disclosure-in-build) (medium, CVSS 4, published 19 May 2026)

## Most severe Vaadin vulnerabilities

- [CVE-2026-7860: Vaadin Maven and Gradle plugins information disclosure in build logs](https://junglewise.ai/threats/cve-2026-7860-vaadin-maven-and-gradle-plugins-information-disclosure-in-build) (medium, CVSS 4, published 19 May 2026)
- [CVE-2026-120350: Vaadin Rich Text Editor stored XSS via video embed](https://junglewise.ai/threats/cve-2026-120350-the-vaadin-rich-text-editor-exports-a-video-embed-without) (info, published 10 Nov 2026)
- [CVE-2026-120326: Vaadin Flow unescaped Content-Disposition header injection](https://junglewise.ai/threats/cve-2026-120326-downloadevent-setfilename-string-in-vaadin-flow-writes-the) (info, published 10 Nov 2026)
- [CVE-2026-110737: Vaadin server push CORS header injection](https://junglewise.ai/threats/cve-2026-110737-the-push-endpoint-of-a-vaadin-application-that-uses-server-push) (info, published 27 Oct 2026)
- [CVE-2026-110974: Vaadin android-json stack overflow in JSON parsing](https://junglewise.ai/threats/cve-2026-110974-the-org-json-parser-in-com-vaadin-external-google-android-json) (info, published 22 Oct 2026)
- [CVE-2026-110803: Vaadin Framework 8 session lock denial of service](https://junglewise.ai/threats/cve-2026-110803-vaadinservice-requestend-in-vaadin-framework-8-locks-the-session) (info, published 21 Oct 2026)
- [CVE-2026-107588: Vaadin Charts multiple XSS and prototype pollution in bundled Highcharts](https://junglewise.ai/threats/cve-2026-107588-vaadin-charts-renders-charts-with-the-highcharts-library-and) (info, published 21 Oct 2026)
- [CVE-2026-93547: Vaadin Spreadsheet missing authorization check in cell comments](https://junglewise.ai/threats/cve-2026-93547-a-missing-authorization-check-in-the-vaadin-spreadsheet-component) (info, published 30 Sep 2026)
- [CVE-2026-91860: Vaadin Charts and Component Base prototype pollution in deep merge](https://junglewise.ai/threats/cve-2026-91860-a-prototype-pollution-vulnerability-exists-in-the-deep-merge) (info, published 30 Sep 2026)

## Vulnerabilities per week

4 vulnerabilities in the last four weeks, up 100% on the four before (2).

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 2 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 3 | 0 | 0 |
| 26 Oct 2026 | 1 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 2 | 0 | 0 |

## Vaadin technologies

- [Vaadin](https://junglewise.ai/threats/technologies/vaadin): 4 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Vaadin vulnerabilities", https://junglewise.ai/threats/vendors/vaadin, 10 November 2026.
