Improper Enforcement of a Single, Unique Action

Overview pocketmine/pocketmine-mp is a highly customisable, open source server software for Minecraft: Bedrock Edition written in PHP Affected versions of this package are vulnerable to Improper Enforcement of a Single, Unique Action in the handling of ResourcePackClientResponsePacket packets wit...

CVE-2026-86198 PocketMine-MP before 5.44.2 Denial of Service via ResourcePackClientResponsePacket

PocketMine-MP versions before 5.44.2 fail to properly validate multiple ResourcePackClientResponsePacket packets with STATUSCOMPLETED status during resource pack handling. Malicious clients can send batches of these packets to repeatedly trigger pre-spawn progression, creating duplicate Player...

CVE-2026-86198 PocketMine-MP before 5.44.2 Denial of Service via ResourcePackClientResponsePacket

PocketMine-MP versions before 5.44.2 fail to properly validate multiple ResourcePackClientResponsePacket packets with STATUSCOMPLETED status during resource pack handling. Malicious clients can send batches of these packets to repeatedly trigger pre-spawn progression, creating duplicate Player...

CVE-2026-86198 PocketMine-MP before 5.44.2 Denial of Service via ResourcePackClientResponsePacket

PocketMine-MP versions before 5.44.2 fail to properly validate multiple ResourcePackClientResponsePacket packets with STATUSCOMPLETED status during resource pack handling. Malicious clients can send batches of these packets to repeatedly trigger pre-spawn progression, creating duplicate Player...

CVE-2025-71417 PocketMine-MP before 5.32.1 Denial of Service via ResourcePackClientResponsePacket

PocketMine-MP before 5.32.1 fails to validate uniqueness of pack UUIDs in ResourcePackClientResponsePacket STATUSSENDPACKS handling, allowing authenticated clients to trigger duplicate pack transmissions. Attackers can send multiple copies of valid pack UUIDs in a single packet to exhaust server...

CVE-2025-71417 PocketMine-MP before 5.32.1 Denial of Service via ResourcePackClientResponsePacket

PocketMine-MP before 5.32.1 fails to validate uniqueness of pack UUIDs in ResourcePackClientResponsePacket STATUSSENDPACKS handling, allowing authenticated clients to trigger duplicate pack transmissions. Attackers can send multiple copies of valid pack UUIDs in a single packet to exhaust server...

CVE-2025-71417 PocketMine-MP before 5.32.1 Denial of Service via ResourcePackClientResponsePacket

PocketMine-MP before 5.32.1 fails to validate uniqueness of pack UUIDs in ResourcePackClientResponsePacket STATUSSENDPACKS handling, allowing authenticated clients to trigger duplicate pack transmissions. Attackers can send multiple copies of valid pack UUIDs in a single packet to exhaust server...

CVE-2025-71417

PocketMine-MP versions prior to 5.32.1 contain a denial-of-service vulnerability in the ResourcePackClientResponsePacket handling during the STATUS_SEND_PACKS phase. The server fails to validate uniqueness of pack UUIDs, allowing authenticated clients to send multiple copies of the same valid pac...

CVE-2026-86198: Improper Enforcement of a Single, Unique Action

PocketMine-MP versions before 5.44.2 fail to properly validate multiple ResourcePackClientResponsePacket packets with STATUSCOMPLETED status during resource pack handling. Malicious clients can send batches of these packets to repeatedly trigger pre-spawn progression, creating duplicate Player...

CVE-2025-71417: Improper Input Validation

PocketMine-MP before 5.32.1 fails to validate uniqueness of pack UUIDs in ResourcePackClientResponsePacket STATUSSENDPACKS handling, allowing authenticated clients to trigger duplicate pack transmissions. Attackers can send multiple copies of valid pack UUIDs in a single packet to exhaust server...

PT-2025-37359

Summary A denial-of-service / out-of-memory vulnerability exists in the STATUS SEND PACKS handling of ResourcePackClientResponsePacket. PocketMine-MP processes the packIds array without verifying that all entries are unique. A malicious non-standard Bedrock client can send multiple duplicate vali...