CVE-2026-45289

CloudburstMC Protocol: Partially missing validation for FULL type authentication tokens

CVSS 5.3 MEDIUMEPSS 0.1%CWE-287

Vexday Risk Score

13Bajo

Decisión SSVC (CISA)

Track

Sin señal de explotación → monitorear

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

Ciclo de vida

02 jun 2026Publicada en NVD

Recomendación: Monitorear — sin señal de explotación por ahora.

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

Productos afectados

CloudburstMC · Protocol

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Referencias

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