CVE-2020-37277: Pmmp Pocketmine-Mp

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

PocketMine-MP versions before 3.15.4 contain a denial of service vulnerability in the InventoryTransaction component's findResultItem() method. Malicious clients can send specially crafted InventoryTransactionPackets with multiple conflicting pathways to cause exponential processing complexity, freezing the server.

Affected products

• Pmmp Pocketmine-Mp: before 3.15.4 (fixed in 3.15.4)

Published 2026-09-06. Last modified 2026-10-08.