CVE-2023-54396: Pmmp Pocketmine-Mp

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

PocketMine-MP versions before 4.8.1 fail to validate dye color IDs in banner NBT data during deserialization. Attackers can provide invalid color values in inventory transactions or via commands to trigger undefined offset errors and crash the server.

Affected products

• Pmmp Pocketmine-Mp: before 4.8.1 (fixed in 4.8.1)

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