CVE-2026-86198
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.
Scoring
- Severity
- LOW
- CVSS base score
- 4.2
- 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
- CWE
- CWE-837
- Published
- 2026-09-09
- Last modified
- 2026-09-09
Affected products
- pmmp PocketMine-MP
- pmmp PocketMine-MP
Weakness type
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