SB20260408167 - Resource exhaustion in PocketMine-MP



SB20260408167 - Resource exhaustion in PocketMine-MP

Published: April 8, 2026

Security Bulletin ID SB20260408167
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • 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.