CVE Explorer

CVE-2026-45289

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.Beta12-20260420.182526-1

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e54d662b3acd8f970e6f41efa99f0aeb5aba42dcb626d1e91866f9c3ab32db85

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"Protocol","vendor":"CloudburstMC","versions":[{"status":"affected","version":"< 3.0.0.Beta12-20260420.182526-15"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:689074387fe8ac38c40984e64d80042ef45fcb0dd22ce725733034ceae0e728b · sha256:fbce8a6c14737694… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:689074387fe8ac38c40984e64d80042ef45fcb0dd22ce725733034ceae0e728b · sha256:fbce8a6c14737694… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-287","description":"CWE-287: Improper Authentication","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:689074387fe8ac38c40984e64d80042ef45fcb0dd22ce725733034ceae0e728b · sha256:fbce8a6c14737694… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"name":"https://github.com/CloudburstMC/Protocol/security/advisories/GHSA-g2fr-c75x-4hf9","tags":["x_refsource_CONFIRM"],"url":"https://github.com/CloudburstMC/Protocol/security/advisories/GHSA-g2fr-c75x-4hf9"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:689074387fe8ac38c40984e64d80042ef45fcb0dd22ce725733034ceae0e728b · sha256:fbce8a6c14737694… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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