[MC-272939] Neutral mobs can attack players in creative mode if their NBT is updated every tick

1. Enter the following command into a powered, repeating command block.

execute as @e[type=minecraft:iron_golem] run data merge entity @s {PersistenceRequired:1b,Attributes:[{Name:generic.follow_range,Base:100}]}

2. Switch to survival mode and attack the Neutral mob

3. Change to Creative mode

Linked issues

Not only the Iron Golem, but also the bees and wolves were affected.

Can confirm in 1.20.6 and 1.21 Pre-Release 2

Would MC-146524 describe you're issue? If not, this relates to MC-146524 and MC-153697