--- a/net/minecraft/world/entity/projectile/ThrownLingeringPotion.java
+++ b/net/minecraft/world/entity/projectile/ThrownLingeringPotion.java
@@ -11,6 +11,10 @@
 import net.minecraft.world.item.Items;
 import net.minecraft.world.level.World;
 
+// CraftBukkit start
+import net.minecraft.world.phys.MovingObjectPosition;
+// CraftBukkit end
+
 public class ThrownLingeringPotion extends EntityPotion {
 
     public ThrownLingeringPotion(EntityTypes<? extends ThrownLingeringPotion> entitytypes, World world) {
@@ -31,7 +35,7 @@
     }
 
     @Override
-    public void onHitAsPotion(WorldServer worldserver, ItemStack itemstack, @Nullable Entity entity) {
+    public void onHitAsPotion(WorldServer worldserver, ItemStack itemstack, @Nullable Entity entity, MovingObjectPosition position) { // CraftBukkit - Pass MovingObjectPosition
         EntityAreaEffectCloud entityareaeffectcloud = new EntityAreaEffectCloud(this.level(), this.getX(), this.getY(), this.getZ());
         Entity entity1 = this.getOwner();
 
@@ -45,6 +49,13 @@
         entityareaeffectcloud.setWaitTime(10);
         entityareaeffectcloud.setRadiusPerTick(-entityareaeffectcloud.getRadius() / (float) entityareaeffectcloud.getDuration());
         entityareaeffectcloud.applyComponentsFromItemStack(itemstack);
-        worldserver.addFreshEntity(entityareaeffectcloud);
+        // CraftBukkit start
+        org.bukkit.event.entity.LingeringPotionSplashEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callLingeringPotionSplashEvent(this, position, entityareaeffectcloud);
+        if (!(event.isCancelled() || entityareaeffectcloud.isRemoved())) {
+            this.level().addFreshEntity(entityareaeffectcloud);
+        } else {
+            entityareaeffectcloud.discard(null); // CraftBukkit - add Bukkit remove cause
+        }
+        // CraftBukkit end
     }
 }