Medium 6.5Published Sep 7, 2026

CVE-2022-51012PocketMine-MP before 4.2.9 Denial of Service via NBT Deserialization

Updated under an hour ago (2026-10-19 07:20 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 4.2.9 fail to properly validate NBT data types during deserialization of inventory transaction packets from clients. Attackers can send crafted inventory transactions with malformed NBT tags to trigger server crashes and cause denial of service.

CVSS: 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-20
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 4.2.9; 4.2.9 not affected	CNA record

References

https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-g5rr-p69h-7v3gvendor-advisory
https://github.com/pmmp/PocketMine-MP/commit/5a98b08ee8dc8ff14862cd83d2e4af9d212fefc2patch
https://www.vulncheck.com/advisories/pocketmine-mp-before-4.2.9-denial-of-service-via-nbt-deserializationthird-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.