Potential sensitive data exposure in applications using Vaadin 15
Insecure configuration of default `ObjectMapper` in `com.vaadin:flow-server` versions 3.0.0 through 3.0.5 (Vaadin 15.0.0 through 15.0.4) may expose sensitive data if the application also uses e.g. `@RestController`
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https://vaadin.com/security/cve-2020-36319