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.
Published: 2026-09-09
Score: 8.7 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

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'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

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.

cve-icon OpenCVE Enrichment

Updated: 2026-09-09T16:45:13Z

Weaknesses