Provide references for CVE-2021-31407.
Where can I find more information about CVE-2021-31407?
References are available at: https://vaadin.com/security/cve-2021-31407, https://github.com/vaadin/osgi/issues/50, https://github.com/vaadin/flow/pull/10229, https://github.com/vaadin/flow/pull/10269.