PocketMine-MP versions before 5.43.1 fail to properly validate the Certificate field during offline login authentication. Unauthenticated players can trigger an uninitialized property access error that crashes the server.
History

Thu, 10 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Pmmp
Pmmp pocketmine-mp
Vendors & Products Pmmp
Pmmp pocketmine-mp

Wed, 09 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 09 Sep 2026 13:45:00 +0000

Type Values Removed Values Added
Description PocketMine-MP versions before 5.43.1 fail to properly validate the Certificate field during offline login authentication. Unauthenticated players can trigger an uninitialized property access error that crashes the server.
Title PocketMine-MP before 5.43.1 Denial of Service via unauthenticated login
Weaknesses CWE-184
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-09-09T13:32:01.117Z

Updated: 2026-09-09T14:17:19.917Z

Reserved: 2026-09-05T11:52:36.821Z

Link: CVE-2026-86199

cve-icon Vulnrichment

Updated: 2026-09-09T14:16:21.767Z

cve-icon NVD

Status : Deferred

Published: 2026-09-09T14:17:20.980

Modified: 2026-09-09T20:20:21.673

Link: CVE-2026-86199

cve-icon Redhat

No data.