SB20260408167 - Resource exhaustion in PocketMine-MP
Published: April 8, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: N/A)
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to uncontrolled resource consumption in LoginPacket clientData processing when handling unexpected properties in the clientData JWT body. A remote attacker can send a specially crafted LoginPacket containing a large or complex unknown property to cause a denial of service.
The issue can spam the log or console and may waste CPU time serializing the offending structure.
Remediation
Install update from vendor's website.