Vulnerability-Lookup

CVE-2026-86202 (GCVE-0-2026-86202)

Vulnerability from cvelistv5 – Published: 2026-09-09 13:32 – Updated: 2026-09-09 14:45

Title

PocketMine-MP before 5.39.2 Network Amplification via ActorEventPacket

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.

Severity

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

4.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-09 14:35 UTC

CWE

CWE-406 - Insufficient Control of Network Message Volume (Network Amplification)

Assigner

VulnCheck mitre root

References

3 references

URL	Tags
https://github.com/pmmp/PocketMine-MP/security/ad…	vendor-advisory
https://github.com/pmmp/PocketMine-MP/commit/aeea…	patch
https://www.vulncheck.com/advisories/pocketmine-m…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
pmmp	PocketMine-MP	Affected: 0 , < 5.39.2 (semver) Unaffected: 5.39.2 (semver)	guessed

Date Public

2026-04-04 00:00

Credits

dktapps

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-86202

Vulnerability from fkie_nvd - Published: 2026-09-09 14:17 - Updated: 2026-09-09 20:20

Severity

4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Summary

References

	URL	Tags
	disclosure@vulncheck.com	https://github.com/pmmp/PocketMine-MP/commit/aeea1150a772a005b92bd418366f1b7cf1a91ab5
	disclosure@vulncheck.com	https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-7hmv-4j2j-pp6f
	disclosure@vulncheck.com	https://www.vulncheck.com/advisories/pocketmine-mp-before-5.39.2-network-amplification-via-actoreventpacket

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "PocketMine-MP",
          "vendor": "pmmp",
          "versions": [
            {
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              "versionType": "semver"
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    }
  ],
  "id": "CVE-2026-86202",
  "lastModified": "2026-09-09T20:20:21.673",
  "metrics": {
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          "attackVector": "NETWORK",
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          "baseScore": 4.3,
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          "confidentialityImpact": "NONE",
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        "impactScore": 1.4,
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          "exploitMaturity": "NOT_DEFINED",
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          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
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}

GHSA-5G4F-VG94-WPXH

Vulnerability from github – Published: 2026-09-09 15:35 – Updated: 2026-09-09 15:35

Details

Severity

4.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-86202"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-406"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-09T14:17:21Z",
    "severity": "MODERATE"
  },
  "details": "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.",
  "id": "GHSA-5g4f-vg94-wpxh",
  "modified": "2026-09-09T15:35:11Z",
  "published": "2026-09-09T15:35:11Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-7hmv-4j2j-pp6f"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-86202"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pmmp/PocketMine-MP/commit/aeea1150a772a005b92bd418366f1b7cf1a91ab5"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/pocketmine-mp-before-5.39.2-network-amplification-via-actoreventpacket"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-86202 (GCVE-0-2026-86202)

FKIE_CVE-2026-86202

GHSA-5G4F-VG94-WPXH

Tags

Sightings

Nomenclature