Low 3.7Published Sep 9, 2026

CVE-2026-86203PocketMine-MP before 5.39.2 Item Duplication via Despawn State

Updated under an hour ago (2026-10-19 09:40 UTC)

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It affects pmmp PocketMine-MP. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for pmmp PocketMine-MP

Exploited in the last 30 days

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.

CVSS: 3.7 LOW (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness (CWE): CWE-664
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 8, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

pmmp PocketMine-MP pmmp:pocketmine_mp (from the name)	before 5.39.2; 5.39.2 not affected	CNA record

References

https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-f9jp-856v-8642vendor-advisory
https://github.com/pmmp/PocketMine-MP/commit/c0719b76b18f2508143134e79bc9f1aa39109683patch
https://www.vulncheck.com/advisories/pocketmine-mp-before-5.39.2-item-duplication-via-despawn-statethird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.