Possible information disclosure in non visible components

When adding non-visible components to the UI in server side, content is sent to the browser in Vaadin 10.0.0 through 10.0.22, 11.0.0 through 14.10.0, 15.0.0 through 22.0.28, 23.0.0 through 23.3.12, 24.0.0 through 24.0.5 and 24.1.0.alpha1 to 24.1.0.beta1, resulting in potential information disclosure. See CWE-201: Insertion of Sensitive Information Into Sent Data Description When adding non-visible components to the UI in server side, content is sent to the browser in Vaadin 10.0.0 through 10.0.22, 11.0.0 through 14.10.0, 15.0.0 through 22.0.28, 23.0.0 through 23.3.12, 24.0.0 through 24.0.5 and 24.1.0.alpha1 to 24.1.0.beta1, resulting in potential information disclosure. Affected products and mitigation Users of affected versions should apply the following mitigation or upgrade. Releases that have fixed this issue include: Product version Mitigation Vaadin 10.0.0 - 10.0.22 Upgrade to 10.0.23 (Vaadin extended maintenance starting from June 26 2023) Vaadin 11.0.0 - 14.10.0 Upgrade to 14.10.1 or newer Vaadin 15.0.0 - 22.0.28 Upgrade to 22.1.0 (Available on demand) Vaadin 23.0.0 - 23.3.12 Upgrade to 23.3.13 or newer Vaadin 24.0.0 - 24.0.5 Upgrade to 24.0.6 or newer Vaadin 24.1.0.alpha1 - 24.1.0.beta1 Upgrade to 24.1.0 or newer Please note that Vaadin versions 11-13 and 15-22.0 are no longer supported and you should update either to the latest 14, 22.1, 23, 24 version. Artifacts Maven coordinates Vulnerable version Fixed version com.vaadin:flow-server 1.0.0 - 1.0.19 ≥1.0.20 com.vaadin:flow-server 1.1.0 - 2.8.9 ≥2.8.10 com.vaadin:flow-server 3.0.0 - 9.1.0 ≥9.1.1 com.vaadin:flow-server 23.0.0 - 23.3.10 ≥23.3.11 com.vaadin:flow-server 24.0.0 - 24.0.7 ≥24.0.8 com.vaadin:flow-server 24.1.0.alpha1 - 24.1.0.beta1 ≥24.1.0 Credit This issue was discovered and responsibly reported by Kim Leppänen. References https://github.com/vaadin/flow/pull/15885