CVE-2026-86199

HIGHCVSS 7.5/10

Last modified

CVE-2026-86199 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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..

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.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
pmmpPocketMine-MP< 5.43.1

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-86199?
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.
How severe is CVE-2026-86199?
CVE-2026-86199 has a CVSS score of 7.5/10 (HIGH severity).
How do I fix CVE-2026-86199?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST