CVE-2026-86202 json
PocketMine-MP before 5.39.2 Network Amplification via ActorEventPacket
published 2026-04-06 7 mo ago modified 2026-10-08 31 d ago also GHSA-7hmv-4j2j-pp6f , EUVD-2026-74913
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 29%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- packagist pocketmine/pocketmine-mp 5.39.2
- pmmp PocketMine-MP 5.39.2
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 1 mo ago
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.3 | 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 |
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| CNA | 4.0 | 5.3 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| GitHub | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | pocketmine/pocketmine-mp | <5.39.2 |
5.39.2 |
Affected products
- pmmp PocketMine-MP
Classification
- Weakness
-
- CWE-406 Insufficient Control of Network Message Volume (Network Amplification)
References
-
github.com
/pmmp/PocketMine-MP/commit/aeea1150a772a005b92bd418366f1b7cf1a91ab5
patch, web
-
github.com
/pmmp/PocketMine-MP/security/advisories/GHSA-7hmv-4j2j-pp6f
vendor-advisory, web
-
vulncheck.com
/advisories/pocketmine-mp-before-5.39.2-network-amplification-via-actoreventpacket
third-party-advisory
-
github.com
/pmmp/PocketMine-MP
package
Sources
- CVE List CVE-2026-86202
- GitHub Advisory GHSA-7hmv-4j2j-pp6f
- NVD CVE-2026-86202
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