SB2026052630 - Logging of Excessive Data in PocketMine-MP



SB2026052630 - Logging of Excessive Data in PocketMine-MP

Published: May 26, 2026

Security Bulletin ID SB2026052630
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Logging of Excessive Data (CVE-ID: N/A)

CWE-ID: CWE-779 - Logging of Excessive Data

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to logging of excessive data in the LoginPacket handler when processing the clientData JWT body. A remote attacker can send a crafted LoginPacket containing many junk properties to cause a denial of service.

The issue can flood warning logs and waste CPU time.


Remediation

Install update from vendor's website.