{"id":"CVE-2026-86203","revision":"daac86d4c5db4b38baa2bb58c443bee1","records":[{"revision":"daac86d4c5db4b38baa2bb58c443bee1","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-86203","aliases":[],"title":"PocketMine-MP before 5.39.2 Item Duplication via Despawn State","description":"PocketMine-MP versions before 5.39.2 fail to validate entity despawn state when processing attack packets from clients. Attackers can exploit a race condition by attacking a disconnecting player to trigger multiple death handlers, causing inventory items and experience to drop multiple times for duplication.","state":0,"publishedAt":"2026-09-09T13:32:04.4+00:00","modifiedAt":"2026-10-08T15:25:48.214+00:00","affected":[{"ecosystem":"Vendor product","name":"PocketMine-MP","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"pmmp\",\n                    \"product\": \"PocketMine-MP\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"5.39.2\"\n                        },\n                        {\n                            \"version\": \"5.39.2\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:composer/pocketmine/pocketmine-mp\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","score":6.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","score":3.7,"severity":"LOW"}],"references":["https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-f9jp-856v-8642","https://github.com/pmmp/PocketMine-MP/commit/c0719b76b18f2508143134e79bc9f1aa39109683","https://www.vulncheck.com/advisories/pocketmine-mp-before-5.39.2-item-duplication-via-despawn-state"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-86203","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-86203","identifiers":["CVE-2026-86203"]},"retained":false,"historicalAffected":[]}],"coverage":[]}