SEPTEMBER 15, 2026
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Case File

CVE-2026-86201

HIGH · CVSS 7.5 EPSS 0.34% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-09 · Last synced 2026-09-15

CyberRota Analysis

AI-Generated

PocketMine-MP versions prior to 5.41.1 are vulnerable to a denial of service attack due to improper handling of large or complex structures in LoginPacket processing, leading to excessive logging and potential out-of-memory crashes. Attackers can exploit this by sending specially crafted LoginPackets, which can disrupt server availability. Organizations using affected versions should prioritize patching to mitigate this high-severity vulnerability.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
poc

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-86201
Severity
HIGH
CVSS
7.5
EPSS
0.34%

Original NVD 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.