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...