CVE-2026-2742

Summary of CVE-2026-2742 : Vaadin flow-server contains an authentication bypass via the /VAADIN endpoint when accessed without a trailing slash, allowing unauthenticated users to trigger framework initialization and create sessions. Affected products/versions include Vaadin 14.0.0–14.14.0, 23.0.0...

Unauthorized Session Creation via Reserved Framework Path Access

An authentication bypass vulnerability exists in Vaadin applications using Spring Security due to inconsistent path pattern matching of reserved framework paths. Accessing the /VAADIN endpoint without a trailing slash bypasses security filters, allowing unauthenticated users to trigger framework...