Arbitrary File Upload

com.vaadin:vaadin-server is vulnerable to an Arbitrary File Upload. The vulnerability is due to insufficient validation of metadata in the start listener of incoming uploads, which allows an attacker to bypass upload validation and potentially upload unauthorized or malicious files...

EUVD-2025-26701

Malicious code in bioql PyPI...

CVE-2025-9467

When the Vaadin Upload's start listener is used to validate metadata about an incoming upload, it is possible to bypass the upload validation. Users of affected versions should apply the following mitigation or upgrade. Releases that have fixed this issue include: Product version Vaadin 7.0.0 -...

Arbitrary File Upload

Overview com.vaadin:vaadin-server is a Java framework for modern Java web applications. Affected versions of this package are vulnerable to Arbitrary File Upload via Vaadin Upload's start listener in the multi-upload mode. An attacker can upload unauthorized files by bypassing server-side metadat...

at.ganzleicht.vaadin:vaadin-server (>=9.1.1, <=9.1.3), br.com.thiagomoreira.liferay.plugins.fix-virtual-host-app:fix-virtual-host-hook (>=2.0.0, <=5.1.0) +663 more potentially affected by CVE-2025-43740 via com.liferay.portal:com.liferay.portal.kernel (>=1.0.0, <=166.0.0)

com.liferay.portal:com.liferay.portal.kernel MAVEN version =1.0.0, =9.1.1, =2.0.0, =2.0.0, =2.0.0, =2.0.0, =2.0.0, =2.0.0, =2.0.0, =0.0.2.release, =0.0.2.release, =0.0.2.release, =0.0.2.release, =0.0.2.release, =1.0.0.release - com.gitee.pif...

Denial Of Service (DoS)

vaadin-server is vulnerable to denial of service. The onRequestRows function in DataCommunicator.java does not properly limit the row data requests, allowing malicious users to cause an application crash...

Denial of service in DataCommunicator class in Vaadin 8

Missing check in DataCommunicator class in com.vaadin:vaadin-server versions 8.0.0 through 8.14.0 Vaadin 8.0.0 through 8.14.0 allows authenticated network attacker to cause heap exhaustion by requesting too many rows of data...

CVE-2021-33609

Missing check in DataCommunicator class in com.vaadin:vaadin-server versions 8.0.0 through 8.14.0 Vaadin 8.0.0 through 8.14.0 allows authenticated network attacker to cause heap exhaustion by requesting too many rows of data...

CVE-2021-33609

Missing check in DataCommunicator class in com.vaadin:vaadin-server versions 8.0.0 through 8.14.0 Vaadin 8.0.0 through 8.14.0 allows authenticated network attacker to cause heap exhaustion by requesting too many rows of data...

PT-2021-20230 · Vaadin · Vaadin-Server

Name of the Vulnerable Software and Affected Versions: com.vaadin:vaadin-server versions 8.0.0 through 8.14.0 Description: The issue is caused by a missing check in the DataCommunicator class, allowing an authenticated network attacker to cause heap exhaustion by requesting too many rows of data...

vaadin-server 输入验证错误漏洞

vaadin-server is a Vaadin open source application . A platform for rapid development of Web applications on a Java backend . An input validation error vulnerability exists in vaadin-server that stems from a heap error in the service's DataCommunicator class when too much data is submitted...

Denial of service in DataCommunicator class in Vaadin 8

Missing check in DataCommunicator class in com.vaadin:vaadin-server versions 8.0.0 through 8.14.0 Vaadin 8.0.0 through 8.14.0 allows authenticated network attacker to cause heap exhaustion by requesting too many rows of data. See CWE-400: Uncontrolled Resource Consumption Description ComboBox and...

vaadin-server 资源管理错误漏洞

vaadin-server is a Vaadin open source application . A platform for rapid development of web applications on a Java backend. A resource management error vulnerability exists in Vaadin versions 8.0.0 through 8.12.4 that allows an attacker to cause uncontrolled resource consumption by submitting a...

Vaadin vaadin-server resource management error vulnerability

vaadin-server is a Vaadin open source application . A platform for rapid development of Web applications on the Java backend . vaadin: A resource management error vulnerability exists in the EmailValidator class in vaadin-server versions 7.0.0 through 7.7.21, which can be exploited by an attacker...

Unspecified Vulnerability in Vaadin vaadin-server

Vaadin-server is a Vaadin open source application . A platform for rapid development of Web applications on the Java backend . A security vulnerability exists in vaadin-server versions 7.4.0 through 7.7.19, which can be exploited by an attacker to inject malicious JavaScript via an unspecified...

CVE-2021-31403

Non-constant-time comparison of CSRF tokens in UIDL request handler in com.vaadin:vaadin-server versions 7.0.0 through 7.7.23 Vaadin 7.0.0 through 7.7.23, and 8.0.0 through 8.12.2 Vaadin 8.0.0 through 8.12.2 allows attacker to guess a security token via timing attack...

CVE-2020-36320

Unsafe validation RegEx in EmailValidator class in com.vaadin:vaadin-server versions 7.0.0 through 7.7.21 Vaadin 7.0.0 through 7.7.21 allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses...

CVE-2021-31403

Non-constant-time comparison of CSRF tokens in UIDL request handler in com.vaadin:vaadin-server versions 7.0.0 through 7.7.23 Vaadin 7.0.0 through 7.7.23, and 8.0.0 through 8.12.2 Vaadin 8.0.0 through 8.12.2 allows attacker to guess a security token via timing attack...

CVE-2019-25028

CVE-2019-25028 describes a stored cross-site scripting (XSS) vulnerability in Vaadin's Grid component (com.vaadin:vaadin-server). Affected are Vaadin Server versions 7.4.0–7.7.19 and 8.0.0–8.8.4. An attacker could inject malicious JavaScript via an unspecified vector, with potential impact includ...

vaadin-server 跨站脚本漏洞

Vaadin-server is a Vaadin open source application . A platform for rapid development of Web applications on the Java backend . A security vulnerability exists in vaadin-server versions 7.4.0 through 7.7.19, which can be exploited by an attacker to inject malicious JavaScript via an unspecified...