Medium severity5.3NVD Advisory· Published Jun 2, 2026· Updated Jun 4, 2026

CVE-2026-45289

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Cloudburstmc/Protocolllm-fuzzy
Range: <3.0.0.Beta12-20260420.182526-15

Patches

Vulnerability mechanics

References

github.com/CloudburstMC/Protocol/security/advisories/GHSA-g2fr-c75x-4hf9nvd

News mentions

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