CVE-2026-86202 PUBLISHED

PocketMine-MP before 5.39.2 Network Amplification via ActorEventPacket

Assigner: VulnCheck
Reserved: 05.09.2026 Published: 09.09.2026 Updated: 09.09.2026

PocketMine-MP versions before 5.39.2 contain a network amplification vulnerability in ActorEventPacket handling that allows clients to trigger consuming animations for all visible players. Attackers can send crafted ActorEventPacket messages to spam animation events to other clients and waste server CPU and memory resources.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS Score: 4.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	Low	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	pmmp
Product	PocketMine-MP
Versions	Default: unaffected affected from 0 to 5.39.2 (excl.) Version 5.39.2 is unaffected

CVE-2026-86202 PUBLISHED

PocketMine-MP before 5.39.2 Network Amplification via ActorEventPacket

Metrics

Product Status

Credits

References

Problem Types