CloudburstMC Protocol vulnerabilities

Latest CloudburstMC Protocol CVEs

Newest publication first

1. CVE-2026-45289 CloudburstMC Protocol: Partially missing validation for FULL type authentication tokens

   Published 2026-06-02

   Medium·CVSS 5.3 EPSS 0.14%

   CloudburstMC Protocol is a protocol library for Minecraft Bedrock Edition. Prior to version 3.0.0.Beta12-20260420.182526-15, CloudburstMC Protocol is partially missing validation for FULL type authentication tokens (Cloudburst/Protocol). This vulnerability impacts publicly access...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.