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CVE-2026-108268NVD
Vulnerability Summary
Enclave OS Virtual runs container workloads inside confidential virtual machines with end-to-end attestation. Prior to tdx-v0.2.43 and tdx-gpu-v0.6.27, the TDX/GPU RA-TLS certificate issuer placed the certificate public-key hash and client nonce in quote ReportData but omitted a value bound to the active TLS session. An attacker who obtained an enclave TLS private key could relay a genuine quote onto another connection, causing a relying party to accept an attacker-terminated connection as the attested enclave. This issue is fixed in tdx-v0.2.43 and tdx-gpu-v0.6.27.
CVSS v4.0 Base Metrics — Score 9.1 (CRITICAL)
Attack VectorNetwork
Attack ComplexityHigh
Attack RequirementsPresent
Privileges RequiredNone
User InteractionNone
Confidentiality (Vulnerable System)High
Integrity (Vulnerable System)High
Availability (Vulnerable System)None
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
Affected & Patched Versions
- Privasys enclave-os-virtual >= < tdx-v0.2.43
- Privasys enclave-os-virtual >= < tdx-gpu-v0.6.27
Not provided by cveorg for this CVE.
External References
- https://github.com/Privasys/enclave-os-virtual/security/advisories/GHSA-p5fp-g94g-g9m9
- https://github.com/Privasys/enclave-os-virtual/commit/9a6be91e29f2b6738d0b77c33cd1ad5cd3d8a347
- https://github.com/Privasys/enclave-os-virtual/releases/tag/tdx-gpu-v0.6.27
- https://github.com/Privasys/enclave-os-virtual/releases/tag/tdx-v0.2.43
- https://privasys.org/blog/binding-attestation-to-the-tls-session