What is CVE-2026-86202?

CVE-2026-86202 is a medium-severity vulnerability in Pmmp Pocketmine-Mp, classified under CWE-406. CVSS score: 4.3/10. Published 2026-09-09.

How severe is CVE-2026-86202?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Pmmp Pocketmine-Mp

CVE-2026-86202

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.

Published 2026-09-09 · last modified 2026-10-08.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (28.0th percentile), scored 2026-10-25.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Pmmp Pocketmine-Mp

Weakness classification (CWE)

CWE-406

References

github.com/pmmp/PocketMine-MP/security/advisories/GHSA-7hmv-4j2j-pp6f (vendor-advisory)
github.com/pmmp/PocketMine-MP/commit/aeea1150a772a005b92bd418366f1b7cf1a91ab5 (patch)
www.vulncheck.com/advisories/pocketmine-mp-before-5.39.2-network-amplification-… (third-party-advisory)

Frequently asked questions

What is CVE-2026-86202?: CVE-2026-86202 is a medium-severity vulnerability in Pmmp Pocketmine-Mp, classified under CWE-406. CVSS score: 4.3/10. Published 2026-09-09.
How severe is CVE-2026-86202?: Medium severity. CVSS v3 base score is 4.3 out of 10.