Vaadin Flow 安全漏洞

Vaadin Flow is an open-source application developed by Vaadin. It is a Java framework for the Vaadin platform, used to build modern websites that are visually appealing, perform well, and satisfy both you and your users. Versions of Vaadin Flow from 23.0.0 to 23.6.9, 24.0.0 to 24.10.3, and 25.0.0...

Vaadin Flow and the axios npm supply-chain compromise

On March 31, 2026, compromised versions of the popular axios HTTP client library 1.14.1 and 0.30.4 were published to NPM via a hijacked maintainer account. The malicious versions injected [email protected], a cross-platform RAT dropper that connected to a command-and-control server. The...

Access Control Bypass

Overview Affected versions of this package are vulnerable to Access Control Bypass due to inconsistent path pattern matching of reserved framework paths. An attacker can create unauthorized sessions and trigger framework initialization by accessing the /VAADIN endpoint without a trailing slash,...

Vaadin Flow, Hilla and the September 2025 npm supply-chain attacks

Recently two major npm supply-chain attacks have been reported, raising concerns about the safety of the broader software ecosystem, including for Vaadin users. The first incident involved compromised maintainer accounts and malicious releases of widely used packages such as debug and chalk. The...

GHSA-94G8-XV23-7656 Vaadin Flow Components possible file bypass via upload validation on the server-side

Description 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 upgrade to a more recent Vaadin version...

Spring Tips: Vaadin Flow and Spring Boot 3

Hi, Spring fans! In this installment, we'll look at the fantastic Vaadin Flow library, which has recently been updated for Spring Boot 3, and how it can help you be happier. the code is available, as usual, here this episode features special guest Marcus Hellberg, VP developer relations from...

This Week in Spring - March 14th, 2023

Hi, Spring fans! Happy Pi π day! And, welcome to another installment of This Week in Spring! It's pouring cats and dogs here in San Francisco! The news is talking about atmospheric rivers; I don't know what that means but I don't know that I want to find out. Anyway, all that to say: I'm glad as...

Vaadin Flow Components 信息泄露漏洞

Vaadin Flow Components is a Maven multi-module project that contains all Vaadin flow components. A security vulnerability exists in Vaadin Flow Components that stems from the default configuration of the TreeGrid component that uses Object::toString as the key for client-server communication in...

CVE-2021-33604

URL encoding error in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.6.1 Vaadin 14.0.0 through 14.6.1, 3.0.0 through 6.0.9 Vaadin 15.0.0 through 19.0.8 allows local user to execute arbitrary JavaScript code by opening crafted URL in browser...

CVE-2021-31412

Improper sanitization of path in default RouteNotFoundError view in com.vaadin:flow-server versions 1.0.0 through 1.0.14 Vaadin 10.0.0 through 10.0.18, 1.1.0 prior to 2.0.0 Vaadin 11 prior to 14, 2.0.0 through 2.6.1 Vaadin 14.0.0 through 14.6.1, and 3.0.0 through 6.0.9 Vaadin 15.0.0 through 19.0....

vaadin:flow-server 输入验证错误漏洞

Vaadin flow is a software application.The Vaadin platform is a Java framework for building modern websites that look great, perform well and keep you and your users happy. A security vulnerability exists in vaadin:flow-server that stems from improper path cleanup in the default RouteNotFoundError...

PT-2021-19294 · Vaadin · Com.Vaadin:Flow-Server

Name of the Vulnerable Software and Affected Versions: com.vaadin:flow-server versions 1.0.0 through 1.0.14 com.vaadin:flow-server versions 1.1.0 prior to 2.0.0 com.vaadin:flow-server versions 2.0.0 through 2.6.1 com.vaadin:flow-server versions 3.0.0 through 6.0.9 Description: The issue is relate...

vaadin:flow-server 安全漏洞

Vaadin flow is a software application.The Vaadin platform is a Java framework for building modern websites that look great, perform well and keep you and your users happy. A security vulnerability exists in vaadin:flow-server that stems from a URL encoding error in the development mode handler. T...

Vaadin flow 安全漏洞

Vaadin flow is a software application. the Java framework for the Vaadin platform for building modern websites that look great, perform well and keep you and your users happy. A security vulnerability exists in vaadin that allows a local user to inject malicious code into front-end resources duri...

CVE-2021-31411

Insecure temporary directory usage in frontend build functionality of com.vaadin:flow-server versions 2.0.9 through 2.5.2 Vaadin 14.0.3 through Vaadin 14.5.2, 3.0 prior to 6.0 Vaadin 15 prior to 19, and 6.0.0 through 6.0.5 Vaadin 19.0.0 through 19.0.4 allows local users to inject malicious code...

Cross-site scripting vulnerability in Vaadin flow

Vaadin flow is a software application. the Vaadin platform is a Java framework for building modern websites that look great, perform well and keep you and your users happy. A security vulnerability exists in vaadin:flow-server, which stems from a vulnerability that allows an attacker to execute...

Vaadin flow information disclosure vulnerability

Vaadin flow is a software application. the Vaadin platform is a Java framework for building modern websites that look great, perform well and keep you and your users happy. An information disclosure vulnerability exists in vaadin:flow-server, which stems from an insecure configuration of the...

Vaadin flow path traversal vulnerability

Vaadin flow is a software application. the Vaadin platform is a Java framework for building modern websites that look great, perform well and keep you and your users happy. A path traversal vulnerability exists in vaadin: flow-server versions 2.0.0 through 2.4.1, which can be exploited by an...

Cross site request forgery (csrf)

Authentication.logout helper in com.vaadin:flow-client versions 5.0.0 prior to 6.0.0 Vaadin 18, and 6.0.0 through 6.0.4 Vaadin 19.0.0 through 19.0.3 uses incorrect HTTP method, which, in combination with Spring Security CSRF protection, allows local attackers to access Fusion endpoints after the...

Vaadin flow 安全漏洞

Vaadin flow is a software application, a Java framework for the Vaadin platform, for building modern websites that look good, perform well, and keep you and your users happy. A security vulnerability exists in Vaadin flow that allows an attacker to guess a security token via a timing attack. The...