The Storage library support for Post Policy V4 has a security risk that is addressed in the latest PR to Storage conformance tests: googleapis/conformance-tests#31
The fix is to add {\"bucket\":\"bucket-name\"} to Post Policy V4 policy which is then signed.
Here's an example solution in Ruby: googleapis/google-cloud-ruby#5702
The Storage library support for Post Policy V4 has a security risk that is addressed in the latest PR to Storage conformance tests: googleapis/conformance-tests#31
The fix is to add
{\"bucket\":\"bucket-name\"}to Post Policy V4 policy which is then signed.Here's an example solution in Ruby: googleapis/google-cloud-ruby#5702