Vulnerability · Published Sep 7, 2026 · Assigned by VulnCheck

CVE-2022-51015PocketMine-MP before 4.0.6 Denial of Service via PlayerActionPacket

Medium 6.5

In plain English

A medium-severity improper input validation in PocketMine-MP from pmmp. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.7%top 46.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Packagist	pocketmine/pocketmine-mp	4.0.6	GHSA-xh99-hw7h-wf63

Affected products (as reported)

Vendor	Product	Versions
pmmp	PocketMine-MP	0 – before 4.0.6

Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

GitHub Security Advisory (GHSA-xh99-hw7h-wf63) vendor-advisory
Patch Commit patch
VulnCheck Advisory: PocketMine-MP before 4.0.6 Denial of Service via PlayerActionPacket third-party-advisory