CVE-2026-92702

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.

• CWE-346

• https://github.com/ultravioletrs/cocos/commit/80bf813c48300f02259b338b91f844c71be582ea
• https://github.com/ultravioletrs/cocos/pull/582
• https://github.com/ultravioletrs/cocos/releases/tag/v0.9.0
• https://github.com/ultravioletrs/cocos/security/advisories/GHSA-4r6g-mp48-j2rw
• https://github.com/ultravioletrs/cocos/security/advisories/GHSA-4r6g-mp48-j2rw

Published

Sep 18, 2026

Last Modified

Oct 13, 2026

Status

Deferred

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