CVE-2026-86200: medium-severity vulnerability in pmmp PocketMine-MP
PocketMine-MP before 5.42.1 LogDoS via LoginPacket clientData JWT
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.9epss 0.6%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Affected products
pmmp · PocketMine-MPRelated CVEs — pmmp PocketMine-MP
In the same product, most dangerous first.
CVE-2024-58381HIGHPocketMine-MP before 5.11.1 Denial of Service via LoginPacketEPSS 0.8%CVE-2022-51015HIGHPocketMine-MP before 4.0.6 Denial of Service via PlayerActionPacketEPSS 0.7%CVE-2023-54393HIGHPocketMine-MP before 4.20.5 Denial of Service via LoginPacketEPSS 0.6%CVE-2022-51017HIGHPocketMine-MP before 3.26.5 and 4.0.5 Denial of Service via Skin DataEPSS 0.6%CVE-2026-86201HIGHPocketMine-MP before 5.41.1 LogDoS via LoginPacket clientDataEPSS 0.6%CVE-2023-54390HIGHPocketMine-MP before 5.3.1 Denial of Service via LoginPacketEPSS 0.6%