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Advisory record · GHSA-pg53-p7qp-65cv

PocketMine-MP has potential memory/network vulnerability from repeated ResourcePackClientResponsePacket packets

CVSS 2.3 LowEPSS 0.0038 · 32nd percentile

Published by the GitHub Advisory Database at 29 Oct 2026, 16:32 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
pocketmine/pocketmine-mpPackagist<5.44.25.44.2
Identifiers
GHSA-pg53-p7qp-65cv · CVE-2026-86198 · PKSA-3kvf-7m4g-79bw
Weakness (CWE)
CWE-837
Tags
Published
29 Oct 2026
Updated
29 Oct 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

PocketMine-MP (Packagist package pocketmine/pocketmine-mp) is vulnerable in versions before 5.44.2. During the resource pack stage of login, a malicious client can send a batch of repeated resource pack completion responses, causing the server to repeat pre-spawn processing. This can create multiple Player objects for one session, increasing memory use and duplicating large outbound packets. Upgrade to 5.44.2, which contains the fix; plugins can alternatively ignore extra resource pack responses.

Written 31 Oct 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
2.3 Low 4.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N CNA (VulnCheck)
  • CISA KEV Not listed.
  • EPSS 0.0038, the 32nd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 13:53 UTC First seen by agentprime
  2. 31 Oct 2026, 13:53 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.