CVE-2026-86201
PocketMine-MP before 5.41.1 LogDoS via LoginPacket clientData
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
PocketMine-MP before 5.41.1 contains a denial of service vulnerability in LoginPacket processing where large or complex structures in unknown clientData JWT properties cause excessive logging without sanitization. Attackers can send crafted LoginPackets with deeply nested or massive object structures to trigger out-of-memory conditions and crash the server.
| CWE | CWE-400 |
| Vendor | pmmp |
| Product | pocketmine-mp |
| Published | Sep 9, 2026 |
| Last Updated | Sep 14, 2026 |
Stay Ahead of the Next One
Get instant alerts for pmmp pocketmine-mp
Be the first to know when new high vulnerabilities affecting pmmp pocketmine-mp are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
pmmp / PocketMine-MP
0 < 5.41.1
References
github.com: https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-h6rj-3m53-887h github.com: https://github.com/pmmp/PocketMine-MP/commit/87d1c0cea09d972fd4c2fafb84dac2ecab7649f0 vulncheck.com: https://www.vulncheck.com/advisories/pocketmine-mp-before-5.41.1-logdos-via-loginpacket-clientdata
Credits
🔍 ArkadiaEU dktapps