Improper Input Validation Affecting pocketmine/pocketmine-mp package, versions <4.20.5>=4.21.0, <4.21.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published27 Sept 2026
- disclosed9 Sept 2026
- creditUnknown
Introduced: 9 Sep 2026
NewCVE-2023-54393 (opens in a new tab)How to fix?
Upgrade pocketmine/pocketmine-mp to version 4.20.5, 4.21.1 or higher.
Overview
pocketmine/pocketmine-mp is a highly customisable, open source server software for Minecraft: Bedrock Edition written in PHP
Affected versions of this package are vulnerable to Improper Input Validation via the LoginPacket process. An attacker can cause the server to crash by sending malformed JSON structures.