CVE-2026-86199Patch

LOWCVSS 8.7 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.5/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-184

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

Patch or workaround signal is available
1 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Patch

1100.0%

Full discourse1 post

DFIR Lab@DFIR_Lab46d
Patch
🚨 HIGH SEVERITY: CVE-2026-86199 (CVSS 7.5) PocketMine-MP <5.43.1 vulnerable to unauthenticated server crash via certificate validation bypass. Patch immediately. #CVE #Vulnerability #PatchNow #ThreatIntel #CyberSecurity https://t.co/RrkmnFX0tI
Post summary
The tweet announces CVE-2026-86199, a high‑severity flaw in PocketMine‑MP (<5.43.1) that causes unauthenticated server crashes through certificate validation bypass, and urges users to apply the patch immediately.
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134 followersView on X

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