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.
History

Tue, 13 Oct 2026 12:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Sun, 11 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
First Time appeared Privasys
Privasys enclave-os-virtual
Vendors & Products Privasys
Privasys enclave-os-virtual

Fri, 09 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
Description 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.
Title enclave-os-virtual: RA-TLS challenge certificates were not bound to the TLS session
Weaknesses CWE-346
References
Metrics cvssV4_0

{'score': 9.1, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-10-09T21:13:33.595Z

Updated: 2026-10-13T11:31:04.583Z

Reserved: 2026-10-09T17:33:15.410Z

Link: CVE-2026-108268

cve-icon Vulnrichment

Updated: 2026-10-13T11:30:04.976Z

cve-icon NVD

Status : Deferred

Published: 2026-10-09T22:16:59.643

Modified: 2026-10-16T20:04:29.760

Link: CVE-2026-108268

cve-icon Redhat

No data.