High severity7.5NVD Advisory· Published Sep 9, 2026
CVE-2026-86201
CVE-2026-86201
Description
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.
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Affected products
2(expand)+ 1 more
- (no CPE)
- (no CPE)range: <5.41.1
Patches
Vulnerability mechanics
References
3News mentions
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