diff --git a/patches/server/Sanitize-Sent-BlockEntity-NBT.patch b/patches/server/Sanitize-Sent-BlockEntity-NBT.patch
new file mode 100644
index 0000000000..a6f2dd2d73
--- /dev/null
+++ b/patches/server/Sanitize-Sent-BlockEntity-NBT.patch
@@ -0,0 +1,48 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
+Date: Fri, 3 Dec 2021 16:55:50 -0500
+Subject: [PATCH] Sanitize Sent BlockEntity NBT
+
+
+diff --git a/src/main/java/net/minecraft/network/protocol/game/ClientboundBlockEntityDataPacket.java b/src/main/java/net/minecraft/network/protocol/game/ClientboundBlockEntityDataPacket.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/net/minecraft/network/protocol/game/ClientboundBlockEntityDataPacket.java
++++ b/src/main/java/net/minecraft/network/protocol/game/ClientboundBlockEntityDataPacket.java
+@@ -0,0 +0,0 @@ public class ClientboundBlockEntityDataPacket implements Packet<ClientGamePacket
+     private final CompoundTag tag;
+ 
+     public static ClientboundBlockEntityDataPacket create(BlockEntity blockEntity, Function<BlockEntity, CompoundTag> nbtGetter) {
+-        return new ClientboundBlockEntityDataPacket(blockEntity.getBlockPos(), blockEntity.getType(), nbtGetter.apply(blockEntity));
++        return new ClientboundBlockEntityDataPacket(blockEntity.getBlockPos(), blockEntity.getType(), blockEntity.sanitizeSentNbt(nbtGetter.apply(blockEntity))); // Paper - Sanitize sent data
+     }
+ 
+     public static ClientboundBlockEntityDataPacket create(BlockEntity blockEntity) {
+diff --git a/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacketData.java b/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacketData.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacketData.java
++++ b/src/main/java/net/minecraft/network/protocol/game/ClientboundLevelChunkPacketData.java
+@@ -0,0 +0,0 @@ public class ClientboundLevelChunkPacketData {
+             BlockPos blockPos = blockEntity.getBlockPos();
+             if (blockEntity instanceof net.minecraft.world.level.block.entity.SkullBlockEntity) { net.minecraft.world.level.block.entity.SkullBlockEntity.sanitizeTileEntityUUID(compoundTag); } // Paper
+             int i = SectionPos.sectionRelative(blockPos.getX()) << 4 | SectionPos.sectionRelative(blockPos.getZ());
++            blockEntity.sanitizeSentNbt(compoundTag); // Paper - Sanitize sent data
+             return new ClientboundLevelChunkPacketData.BlockEntityInfo(i, blockPos.getY(), blockEntity.getType(), compoundTag.isEmpty() ? null : compoundTag);
+         }
+     }
+diff --git a/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java
++++ b/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java
+@@ -0,0 +0,0 @@ public abstract class BlockEntity {
+         return null;
+     }
+     // CraftBukkit end
++    // Paper start
++    public CompoundTag sanitizeSentNbt(CompoundTag tag) {
++        tag.remove("PublicBukkitValues");
++
++        return tag;
++    }
++    // Paper end
++
+ }