CVE-2026-86198

Summary

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 Software

VendorProductVersion RangeStatus
pmmpPocketMine-MP0 < 5.44.2affected
pmmpPocketMine-MP5.44.2unaffected

Weaknesses

  • CWE-837: Improper Enforcement of a Single, Unique Action

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References