Answer in brief
CVE-2026-86203 records a Medium severity (CVSS 6.3) vulnerability in PocketMine-MP before 5.39.2 Item Duplication via Despawn State. The current sources do not mark it as known exploited. The current feed maps pmmp/PocketMine-MP (generic), pocketmine/pocketmine-mp (packagist). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 6.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps pmmp/PocketMine-MP (generic), pocketmine/pocketmine-mp (packagist). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| pmmp/PocketMine-MPgeneric | >=0 <5.39.2 | 5.39.2 |
| pocketmine/pocketmine-mppackagist | >=0 <5.39.2 | 5.39.2 |
Published upstream
Sep 9, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 8, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 9, 2026
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.
Quoted source text, attributed separately from HOL analysis.