Ok, I feel like I’m doing something really dumb… I use Make.com to get an image from a jotform submission. Here’s one of me and my son I just uploaded:
Thanks @Jeff_Hager. Huh, that’s so weird! When I click it, it downloads it instantly. But sure enough, I tried in incognito and I got the same you did… Very strange… I’m not prompted for a password or anything… I’ll keep digging!