Low severity3.7NVD Advisory· Published Sep 9, 2026

CVE-2026-86203

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.

Affected products

Pmmp/Pocketmine Mpreferences2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: <5.39.2

Patches

Vulnerability mechanics

References

github.com/pmmp/PocketMine-MP/commit/c0719b76b18f2508143134e79bc9f1aa39109683nvd
github.com/pmmp/PocketMine-MP/security/advisories/GHSA-f9jp-856v-8642nvd
www.vulncheck.com/advisories/pocketmine-mp-before-5.39.2-item-duplication-via-despawn-statenvd

News mentions

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cvss	0.240
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000