CVE-2022-51015 PocketMine-MP before 4.0.6 Denial of Service via PlayerActionPacket

High 7.1 Published Updated

A remote authenticated attacker can crash the PocketMine-MP server by sending crafted packets with invalid facing values.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-51015?

CVE-2022-51015 is a high-severity denial of service vulnerability in pmmp PocketMine-MP, published on 7 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

PocketMine-MP before 4.0.6 does not validate facing values in PlayerActionPacket (for START_BREAK and CRACK_BREAK actions) or in UseItemTransactionData (typically within InventoryTransactionPacket). A remote authenticated attacker can send crafted packets with invalid facing values (e.g., negative or out-of-range) to crash the server, resulting in a denial of service.

Weakness: CWE-20

Which versions are affected by CVE-2022-51015?

2 open source packages ship an affected version, including pocketmine/pocketmine-mp.

PackageAffectedFixed in
pocketmine/pocketmine-mp PackagistAll versions4.0.6
pocketmine/pocketmine-mp PackagistAll versions4.0.6

How do I fix CVE-2022-51015?

Upgrade pocketmine/pocketmine-mp to 4.0.6 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2022-51015 being exploited?

There is no known exploitation of CVE-2022-51015 in the wild and no public exploit code.

Sources

Also known as GHSA-jqrm-67hm-q329, GHSA-xh99-hw7h-wf63.

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