CVE-2023-54396
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.
- Published Sep 9, 2026
- CVSS 7.1 high
- 0.4% chance of exploitation in the next 30 days (EPSS)
- A fix is available