{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-92702", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-16T16:22:31.542Z", "datePublished": "2026-09-18T17:02:48.370Z", "dateUpdated": "2026-10-13T20:08:52.222Z"}, "containers": {"cna": {"title": "Cocos AI: Intra-handshake attested TLS implementation can accept Evidence with nil, empty, or omitted reportData in the AMD SEV-SNP path", "problemTypes": [{"descriptions": [{"cweId": "CWE-346", "lang": "en", "description": "CWE-346: Origin Validation Error", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/ultravioletrs/cocos/security/advisories/GHSA-4r6g-mp48-j2rw", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/ultravioletrs/cocos/security/advisories/GHSA-4r6g-mp48-j2rw"}, {"name": "https://github.com/ultravioletrs/cocos/pull/582", "tags": ["x_refsource_MISC"], "url": "https://github.com/ultravioletrs/cocos/pull/582"}, {"name": "https://github.com/ultravioletrs/cocos/commit/80bf813c48300f02259b338b91f844c71be582ea", "tags": ["x_refsource_MISC"], "url": "https://github.com/ultravioletrs/cocos/commit/80bf813c48300f02259b338b91f844c71be582ea"}, {"name": "https://github.com/ultravioletrs/cocos/releases/tag/v0.9.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/ultravioletrs/cocos/releases/tag/v0.9.0"}], "affected": [{"vendor": "ultravioletrs", "product": "cocos", "versions": [{"version": "< 0.9.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-13T20:08:52.222Z"}, "descriptions": [{"lang": "en", "value": "Cocos AI is a confidential computing system for AI. In Cocos AI 0.8.2 and earlier, VerifyAttestationReportTLS in the AMD SEV-SNP verifier sets Policy.ReportData only when its caller supplies non-empty expected reportData. A relying-party integration that passes nil or empty expected reportData while relying on that value for current-session freshness can therefore accept SEV-SNP evidence unrelated to the current connection and make a trust, authorization, or application-data release decision for an unintended attestation context. This issue was fixed in Cocos AI 0.9.0 by removing the affected verifier path as part of the migration to post-handshake attestation."}], "source": {"advisory": "GHSA-4r6g-mp48-j2rw", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/ultravioletrs/cocos/security/advisories/GHSA-4r6g-mp48-j2rw", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-22T15:05:11.173074Z", "id": "CVE-2026-92702", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-22T15:05:43.497Z"}}]}}

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{}

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