I'm unable to upload product images using the "Upload a file" button from the edit product details/pictures page. I thought it might have something to do with my proxy configuration so I tested it on my development workstation and am seeing the same result here.
Log level Information
Short message Access denied to user #(my email here) on /Admin/Picture/AsyncUpload
IP address 127.0.0.1
Customer Page URL http://localhost:16592/admin/home/accessdenied?pageurl=%2fadmin%2fpicture%2fasyncupload
Referrer URL http://localhost:16592/Admin/Product/Edit/5cdd9040862b592e78570595 Created on7/20/2021 11:37:53 AM
AsyncUpload access is denied after upgrading from 4.5 to 4.9
Wednesday, July 28, 2021 12:25:32 PM