CVE-2023-54395: Pmmp Pocketmine-Mp

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

PocketMine-MP versions before 4.12.5 contain a denial-of-service vulnerability in ModalFormResponsePacket processing that allows attackers to cause server resource exhaustion by sending large JSON payloads. Attackers can send numerous oversized modal form response packets to consume CPU time and prevent the server from processing legitimate connections.

Affected products

• Pmmp Pocketmine-Mp: before 4.12.5 (fixed in 4.12.5)

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