Logging of Excessive Data in PocketMine-MP - #VU132306

 

Logging of Excessive Data in PocketMine-MP - #VU132306

Published: May 26, 2026


Vulnerability identifier: #VU132306
CSH Severity: Medium
CVSS v4.0: 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
CVE-ID: N/A
CWE-ID: CWE-779
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: PMMP
Affected software:
PocketMine-MP

Detailed vulnerability description

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 security update from vendor's website.

Sources