CVE-2026-86199
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductPocketMine-MP
PublishedSep 9, 2026
First seenSep 9, 2026
Weakness typeCWE-184CWE-184
How to fix
Update
- pmmp PocketMine-MP5.43.1 or later
Patches
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| pmmp PocketMine-MP | v < 5.43.1 | 5.43.1 |
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