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.

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History

Wed, 03 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 03 Jun 2026 12:45:00 +0000

Type Values Removed Values Added
First Time appeared Cloudburstmc
Cloudburstmc protocol
Vendors & Products Cloudburstmc
Cloudburstmc protocol

Wed, 03 Jun 2026 02:30:00 +0000

Type Values Removed Values Added
Description 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.
Title CloudburstMC Protocol: Partially missing validation for FULL type authentication tokens
Weaknesses CWE-287
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-06-03T13:34:19.045Z

Reserved: 2026-05-11T20:14:43.201Z

Link: CVE-2026-45289

cve-icon Vulnrichment

Updated: 2026-06-03T13:34:15.927Z

cve-icon NVD

Status : Received

Published: 2026-06-02T21:16:27.803

Modified: 2026-06-02T21:16:27.803

Link: CVE-2026-45289

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-03T10:54:44Z

Weaknesses