Medium 4.3Published Sep 9, 2026

CVE-2023-54395PocketMine-MP before 4.12.5 Denial of Service via ModalFormResponsePacket

Updated under an hour ago (2026-10-19 08:30 UTC)

Does this affect you?

It affects pmmp PocketMine-MP. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for pmmp PocketMine-MP

Exploited in the last 30 days

PocketMine-MP versions before 4.12.5 contain a denial-of-service vulnerability in ModalFormResponsePacket processing that allows attackers to cause server resource exhaustion by sending large JSON payloads. Attackers can send numerous oversized modal form response packets to consume CPU time and prevent the server from processing legitimate connections.

CVSS: 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness (CWE): CWE-407
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 4.12.5; 4.12.5 not affected	CNA record

References

https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-7m9r-rq9j-wmmhvendor-advisory
https://github.com/pmmp/PocketMine-MP/commit/3baa5ab71214f96e6e7ab12cb9beef08118473b5patch
https://www.vulncheck.com/advisories/pocketmine-mp-before-4.12.5-denial-of-service-via-modalformresponsepacketthird-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.