High 7.5Published Sep 9, 2026

CVE-2023-54355PocketMine-MP 5.2.0 Server Crash via Incorrect EC Curve

Updated under an hour ago (2026-10-19 07:00 UTC)

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Every CVE for pmmp PocketMine-MP

Exploited in the last 30 days

PocketMine-MP versions before 5.3.1 and 4.23.1 fail to validate that the identityPublicKey in LoginPacket uses the required secp384r1 elliptic curve. Attackers can provide LoginPackets with keys using different curves or non-EC key types to pass login verification but trigger an uncaught exception during ECDH key derivation, crashing the server.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-347
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 8, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

pmmp PocketMine-MP pmmp:pocketmine_mp (from the name)	before 4.23.1; from 5.2.0 before 5.3.1	CNA record

References

https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-79rc-jjh6-rc89vendor-advisory
https://github.com/pmmp/PocketMine-MP/commit/4e646d19a4a1e0d082bd4d1f5a58ae0182a268d9patch
https://www.vulncheck.com/advisories/pocketmine-mp-5.2.0-server-crash-via-incorrect-ec-curvethird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.