Action Pack is a framework for handling and responding to web requests. Since 6.1.0, the application configurable Permissions-Policy is only served on responses with an HTML related Content-Type. This vulnerability is fixed in 6.1.7.8, 7.0.8.2, and 7.1.3.3.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.