rootpwn

critical · CVSS v3 9.1

CVE-2026-92702

Cocos AI is a confidential computing system for running AI workloads inside trusted execution environments. In versions …

Description

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.

Scores

Severity
critical
CVSS v2
9.4
CVSS v3
9.1
CVSS v4
—
EPSS
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