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CVE-2026-86198

PocketMine-MP before 5.44.2 Denial of Service via ResourcePackClientResponsePacket

CVSS 4.0 2.3 LOWCVSS 3.1 4.2 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-86198

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-86198

Published

PocketMine-MP

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "pmmp",
                    "product": "PocketMine-MP",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "5.44.2"
                        },
                        {
                            "version": "5.44.2",
                            "status": "unaffected",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON