CVE-2026-86198 PUBLISHED

PocketMine-MP before 5.44.2 Denial of Service via ResourcePackClientResponsePacket

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

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.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
CVSS Score: 2.3

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	Present	Availability	Low	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
CVSS Score: 4.2

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

CVSS 3.1

Product Status

Vendor	pmmp
Product	PocketMine-MP
Versions	Default: unaffected affected from 0 to 5.44.2 (excl.) Version 5.44.2 is unaffected

CVE-2026-86198 PUBLISHED

PocketMine-MP before 5.44.2 Denial of Service via ResourcePackClientResponsePacket

Metrics

Product Status

Credits

References

Problem Types