@curiousapple
On September 25, 2023, I found an issue in a widely used implementation of the ERC1271 pattern that affected more than 15 teams.
The following blog describes the sequence of events regarding how it all came together.
https://mirror.xyz/curiousapple.eth/pFqAdW2LiJ-6S4sg_u1z08k4vK6BCJ33LcyXpnNb8yU