High severity7.5NVD Advisory· Published Sep 9, 2026· Updated Oct 8, 2026

CVE-2023-54390

Description

PocketMine-MP versions before 5.3.1 and 4.23.1 contain a denial of service vulnerability in LoginPacket JSON parsing due to improper null value handling in arrays. Attackers can send malformed JSON with unexpected null elements in LoginPacket to crash the server.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Pmmp/Pocketmine Mpreferences2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: <5.3.1, <4.23.1

Patches

Vulnerability mechanics

References

github.com/pmmp/PocketMine-MP/commit/4f90e8dab1c9df331fad7d3d89823404e882668cnvd
github.com/pmmp/PocketMine-MP/security/advisories/GHSA-92jh-gwch-jq38nvd
www.vulncheck.com/advisories/pocketmine-mp-before-5.3.1-denial-of-service-via-loginpacketnvd

News mentions

PocketMine-MP: 18 DoS Vulnerabilities Disclosed in Coordinated Batch
Vypr Intelligence · Sep 9, 2026

cvss	0.488
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000