Medium severity4.2NVD Advisory· Published Sep 9, 2026

CVE-2026-86198

Description

PocketMine-MP versions before 5.44.2 fail to properly validate multiple ResourcePackClientResponsePacket packets with STATUS_COMPLETED status during resource pack handling. Malicious clients can send batches of these packets to repeatedly trigger pre-spawn progression, creating duplicate Player objects and amplifying memory consumption and network traffic.

Affected products

Pmmp/Pocketmine Mpreferences2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: <5.44.2

Patches

Vulnerability mechanics

References

github.com/pmmp/PocketMine-MP/commit/7a27894146a04964ab628ed9033140fdbf887ff3nvd
github.com/pmmp/PocketMine-MP/security/advisories/GHSA-pg53-p7qp-65cvnvd
www.vulncheck.com/advisories/pocketmine-mp-before-5.44.2-denial-of-service-via-resourcepackclientresponsepacketnvd

News mentions

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cvss	0.273
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000