CVE-2020-37277: Exploitable inventory component chaining in PocketMine-MP

high Affects pocketmine/pocketmine-mp. Feed 2026.10.29.1, updated 2026-10-28; published 2020-11-11; advisory modified 2026-09-08.

Exploitable inventory component chaining in PocketMine-MP

Package: pocketmine/pocketmine-mp Composer
Affected versions: <3.15.4
Fixed in: 3.15.4
Severity: high
Exploitation: not on CISA KEV · EPSS 1% (44.7th percentile)
Published: 2020-11-11
Source: osv.dev

References

https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-8jq6-w5cg-wm45

CWE-400

NVD record pocketmine/pocketmine-mp advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs How findings are ranked

Related advisories

CVE-2024-58381 high PocketMine-MP server crash with certain invalid JSON payloads in `LoginPacket` due to depe same package: pocketmine/pocketmine-mp
CVE-2022-51015 high Unchecked validity of Facing values in PlayerActionPacket same package: pocketmine/pocketmine-mp
CVE-2026-86200 medium PocketMine-MP has LogDoS by many junk properties in client data JWT in LoginPacket same package: pocketmine/pocketmine-mp
CVE-2022-51017 high Uncapped length of skin data fields submitted by players same package: pocketmine/pocketmine-mp
CVE-2023-54393 high PocketMine-MP vulnerable to server crash with certain invalid JSON payloads in `LoginPacke same package: pocketmine/pocketmine-mp
CVE-2022-51009 high PocketMine-MP invalid skin geometry JSON data leading to server crash same package: pocketmine/pocketmine-mp