PocketMine-MP versions before 5.42.1 contain a denial of service vulnerability in the LoginPacket handler that allows remote attackers to flood warning messages by injecting numerous junk properties into the clientData JWT. Attackers can craft malicious login packets with excessive unknown properties to waste server CPU time and degrade performance.
Metrics
Affected Vendors & Products
References
History
Fri, 18 Sep 2026 21:30:00 +0000
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| Metrics |
ssvc
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Thu, 10 Sep 2026 15:30:00 +0000
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| First Time appeared |
Pmmp
Pmmp pocketmine-mp |
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| Vendors & Products |
Pmmp
Pmmp pocketmine-mp |
Wed, 09 Sep 2026 13:45:00 +0000
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| Description | PocketMine-MP versions before 5.42.1 contain a denial of service vulnerability in the LoginPacket handler that allows remote attackers to flood warning messages by injecting numerous junk properties into the clientData JWT. Attackers can craft malicious login packets with excessive unknown properties to waste server CPU time and degrade performance. | |
| Title | PocketMine-MP before 5.42.1 LogDoS via LoginPacket clientData JWT | |
| Weaknesses | CWE-779 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-09-09T13:32:01.818Z
Updated: 2026-10-08T15:25:46.241Z
Reserved: 2026-09-05T11:52:36.821Z
Link: CVE-2026-86200
Updated: 2026-09-18T17:17:43.635Z
Status : Deferred
Published: 2026-09-09T14:17:21.123
Modified: 2026-10-08T16:17:56.107
Link: CVE-2026-86200
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