CVE-2026-86198
Published:September 09, 2026
Updated:September 22, 2026
PocketMine-MP versions before 5.44.2 fail to properly validate multiple ResourcePackClientResponsePacket packets with STATUS_COMPLETED status during resource pack handling. Malicious clients can send batches of these packets to repeatedly trigger pre-spawn progression, creating duplicate Player objects and amplifying memory consumption and network traffic.
Affected Packages
https://github.com/pmmp/PocketMine-MP.git (GITHUB):
Affected version(s) >=5.0.0 <5.44.2Fix Suggestion:
Update to version 5.44.2pocketmine/pocketmine-mp (PHP):
Affected version(s) >=5.0.0 <5.44.2Fix Suggestion:
Update to version 5.44.2Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
2.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
LOW
Weakness Type (CWE)
Improper Enforcement of a Single, Unique Action
EPSS
Base Score:
0.28