CVE-2026-45289

CloudburstMC Protocol: Partially missing validation for FULL type authentication tokens

CVSS 5.3 MEDIUMEPSS 0.1%CWE-287

Vexday Risk Score

13Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 5.3EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

02 jun 2026Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

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 accessible software depending on the affected versions of Protocol, specifically the EncryptionUtils methods to validate auth payloads for FULL type tokens. This issue has been patched in version 3.0.0.Beta12-20260420.182526-15.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Produtos afetados

CloudburstMC · Protocol

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Referências

https://github.com/CloudburstMC/Protocol/security/advisories/GHSA-g2fr-c75x-4hf9