CVE-2026-86202
PocketMine-MP before 5.39.2 Network Amplification via ActorEventPacket
- State
- Published
- Severity
- 5.3 Medium
- Published
- Sep 9, 2026
- Updated
- Oct 8, 2026
- Reserved
- Sep 5, 2026
Description
PocketMine-MP versions before 5.39.2 contain a network amplification vulnerability in ActorEventPacket handling that allows clients to trigger consuming animations for all visible players. Attackers can send crafted ActorEventPacket messages to spam animation events to other clients and waste server CPU and memory resources.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N | VulnCheck |
Weaknesses
- CWE-406 Insufficient Control of Network Message Volume (Network Amplification)
Affected Products
| Product | Versions |
|---|---|
PocketMine-MPpmmp |
|
References
- GitHub Security Advisory (GHSA-7hmv-4j2j-pp6f)vendor-advisory
- Patch Commitpatch
- VulnCheck Advisory: PocketMine-MP before 5.39.2 Network Amplification via ActorEventPacketthird-party-advisory
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