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Vulnerability record · CVE-2022-51015 · published 7 September 2026

CVE-2022-51015: Improper input validation vulnerability

PocketMine-MP before 4.0.6 does not validate facing values in PlayerActionPacket (for START_BREAK and CRACK_BREAK actions) or in UseItemTransactionData (typically within InventoryTransactionPacket). A remote authenticated attacker can send crafted packets with invalid facing values (e.g., negative or out-of-range) to crash the server, resulting in a denial of service.

7.1 CVSS 4.0 High EPSS 0.68% · top 49.8% CWE-20 · Improper input validation Deferred
7.1CVSS 4.0 base score
0.68%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
8 Sep 2026Last modified by NVD

Description

PocketMine-MP before 4.0.6 does not validate facing values in PlayerActionPacket (for START_BREAK and CRACK_BREAK actions) or in UseItemTransactionData (typically within InventoryTransactionPacket). A remote authenticated attacker can send crafted packets with invalid facing values (e.g., negative or out-of-range) to crash the server, resulting in a denial of service.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/pmmp/PocketMine-MP/commit/f126479c37ff00a717a828f5271cf8e821d12d6c
https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-xh99-hw7h-wf63
https://www.vulncheck.com/advisories/pocketmine-mp-before-4.0.6-denial-of-service-via-playeractionpacket

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Source: NIST National Vulnerability Database (record CVE-2022-51015), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.