# com.vaadin:vaadin-server (Maven) vulnerabilities

Source: https://junglewise.ai/threats/technologies/com-vaadin-vaadin-server  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/com-vaadin-vaadin-server.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 7 vulnerabilities in com.vaadin:vaadin-server (Maven): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2025-15022, was published on 5 January 2026.

## Counts

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

## About com.vaadin:vaadin-server (Maven)

Server-side Java framework for building modern web applications with reactive components.

## Latest com.vaadin:vaadin-server (Maven) vulnerabilities

- [CVE-2025-15022: Vaadin vulnerable to Cross-site Scripting](https://junglewise.ai/threats/cve-2025-15022-vaadin-vulnerable-to-cross-site-scripting) (medium, CVSS 4, published 5 Jan 2026)
- [CVE-2025-9467: Vaadin Framework possible file bypass via upload validation on the server-side](https://junglewise.ai/threats/cve-2025-9467-vaadin-framework-possible-file-bypass-via-upload-validation-on-the) (medium, CVSS 4, published 4 Sep 2025)
- [Denial of service in DataCommunicator class in Vaadin 8](https://junglewise.ai/threats/denial-of-service-in-datacommunicator-class-in-vaadin-8-c2dd912d) (low, CVSS 3.1, published 13 Oct 2021)
- [CVE-2021-33609: Denial of service in DataCommunicator class in Vaadin 8](https://junglewise.ai/threats/cve-2021-33609-denial-of-service-in-datacommunicator-class-in-vaadin-8) (low, CVSS 3.1, published 13 Oct 2021)
- [CVE-2021-31403: Timing side channel vulnerability in UIDL request handler in Vaadin 7 and 8](https://junglewise.ai/threats/cve-2021-31403-timing-side-channel-vulnerability-in-uidl-request-handler-in) (low, CVSS 3.1, published 19 Apr 2021)
- [CVE-2019-25028: Stored cross-site scripting in Grid component in Vaadin 7 and 8](https://junglewise.ai/threats/cve-2019-25028-stored-cross-site-scripting-in-grid-component-in-vaadin-7-and-8) (low, CVSS 3.1, published 19 Apr 2021)
- [CVE-2020-36320: Regular expression denial of service (ReDoS) in EmailValidator class in Vaadin 7](https://junglewise.ai/threats/cve-2020-36320-regular-expression-denial-of-service-redos-in-emailvalidator) (low, CVSS 3.1, published 19 Apr 2021)

## Most severe com.vaadin:vaadin-server (Maven) vulnerabilities

- [CVE-2025-9467: Vaadin Framework possible file bypass via upload validation on the server-side](https://junglewise.ai/threats/cve-2025-9467-vaadin-framework-possible-file-bypass-via-upload-validation-on-the) (medium, CVSS 4, published 4 Sep 2025)
- [CVE-2025-15022: Vaadin vulnerable to Cross-site Scripting](https://junglewise.ai/threats/cve-2025-15022-vaadin-vulnerable-to-cross-site-scripting) (medium, CVSS 4, published 5 Jan 2026)
- [CVE-2020-36320: Regular expression denial of service (ReDoS) in EmailValidator class in Vaadin 7](https://junglewise.ai/threats/cve-2020-36320-regular-expression-denial-of-service-redos-in-emailvalidator) (low, CVSS 3.1, published 19 Apr 2021)
- [CVE-2021-33609: Denial of service in DataCommunicator class in Vaadin 8](https://junglewise.ai/threats/cve-2021-33609-denial-of-service-in-datacommunicator-class-in-vaadin-8) (low, CVSS 3.1, published 13 Oct 2021)
- [CVE-2019-25028: Stored cross-site scripting in Grid component in Vaadin 7 and 8](https://junglewise.ai/threats/cve-2019-25028-stored-cross-site-scripting-in-grid-component-in-vaadin-7-and-8) (low, CVSS 3.1, published 19 Apr 2021)
- [CVE-2021-31403: Timing side channel vulnerability in UIDL request handler in Vaadin 7 and 8](https://junglewise.ai/threats/cve-2021-31403-timing-side-channel-vulnerability-in-uidl-request-handler-in) (low, CVSS 3.1, published 19 Apr 2021)
- [Denial of service in DataCommunicator class in Vaadin 8](https://junglewise.ai/threats/denial-of-service-in-datacommunicator-class-in-vaadin-8-c2dd912d) (low, CVSS 3.1, published 13 Oct 2021)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| 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 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Maven technologies

- [org.jenkins-ci.main:jenkins-core (Maven)](https://junglewise.ai/threats/technologies/org-jenkins-ci-main-jenkins-core): 259 vulnerabilities
- [org.apache.tomcat:tomcat (Maven)](https://junglewise.ai/threats/technologies/org-apache-tomcat-tomcat): 169 vulnerabilities
- [com.liferay.portal:release.portal.bom (Maven)](https://junglewise.ai/threats/technologies/com-liferay-portal-release-portal-bom): 159 vulnerabilities
- [com.liferay.portal:release.dxp.bom (Maven)](https://junglewise.ai/threats/technologies/com-liferay-portal-release-dxp-bom): 125 vulnerabilities
- [org.keycloak:keycloak-services (Maven)](https://junglewise.ai/threats/technologies/org-keycloak-keycloak-services): 122 vulnerabilities
- [com.fasterxml.jackson.core:jackson-databind (Maven)](https://junglewise.ai/threats/technologies/com-fasterxml-jackson-core-jackson-databind): 86 vulnerabilities
- [org.apache.tomcat.embed:tomcat-embed-core (Maven)](https://junglewise.ai/threats/technologies/org-apache-tomcat-embed-tomcat-embed-core): 83 vulnerabilities
- [org.apache.struts:struts2-core (Maven)](https://junglewise.ai/threats/technologies/org-apache-struts-struts2-core): 60 vulnerabilities
- [org.keycloak:keycloak-core (Maven)](https://junglewise.ai/threats/technologies/org-keycloak-keycloak-core): 57 vulnerabilities
- [org.xwiki.platform:xwiki-platform-oldcore (Maven)](https://junglewise.ai/threats/technologies/org-xwiki-platform-xwiki-platform-oldcore): 46 vulnerabilities
- [org.apache.tomcat:tomcat-catalina (Maven)](https://junglewise.ai/threats/technologies/org-apache-tomcat-tomcat-catalina): 44 vulnerabilities
- [org.elasticsearch:elasticsearch (Maven)](https://junglewise.ai/threats/technologies/org-elasticsearch-elasticsearch): 41 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, "com.vaadin:vaadin-server (Maven) vulnerabilities", https://junglewise.ai/threats/technologies/com-vaadin-vaadin-server, 9 November 2026.
