{"id":"CVE-2026-92702","summary":"Cocos AI: Intra-handshake attested TLS implementation can accept Evidence with nil, empty, or omitted reportData in the AMD SEV-SNP path","details":"Cocos AI is a confidential computing system for running AI workloads inside trusted execution environments. In versions up to and including 0.8.2, the intra-handshake attested TLS (aTLS) AMD SEV-SNP verification path does not enforce attestation freshness when the expected reportData value is nil, empty, or omitted, leaving the SEV-SNP policy ReportData unset so the verifier accepts unrelated or stale Evidence not bound to the current connection. A relying party that uses this path without an expected reportData as a trust or authorization decision can be induced to trust an unintended attestation context; a supplied non-empty reportData is still validated. The issue is fixed in version 0.9.0.","aliases":["GHSA-4r6g-mp48-j2rw"],"modified":"2026-09-20T11:47:04.457998051Z","published":"2026-09-18T17:02:48.370Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-346"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92702.json"},"references":[{"type":"WEB","url":"https://github.com/ultravioletrs/cocos/releases/tag/v0.9.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92702.json"},{"type":"ADVISORY","url":"https://github.com/ultravioletrs/cocos/security/advisories/GHSA-4r6g-mp48-j2rw"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92702"},{"type":"FIX","url":"https://github.com/ultravioletrs/cocos/commit/80bf813c48300f02259b338b91f844c71be582ea"},{"type":"FIX","url":"https://github.com/ultravioletrs/cocos/pull/582"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/ultravioletrs/cocos","events":[{"introduced":"0"},{"fixed":"80bf813c48300f02259b338b91f844c71be582ea"},{"fixed":"b44780df95a34cf0906c6af9d06e94f56e4811f2"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"0.9.0"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["v0.8.2","v0.8.1","v0.8.0","v0.7.0","v0.6.0","v0.5.2","v0.5.1","v0.5.0","v0.4.0","v0.3.1","v0.3.0","v0.2.0","v0.1.0","v0.0.2","v0.0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-92702.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}