{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-108268", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-09T17:33:15.410Z", "datePublished": "2026-10-09T21:13:33.595Z", "dateUpdated": "2026-10-09T21:13:33.595Z"}, "containers": {"cna": {"title": "enclave-os-virtual: RA-TLS challenge certificates were not bound to the TLS session", "problemTypes": [{"descriptions": [{"cweId": "CWE-346", "lang": "en", "description": "CWE-346: Origin Validation Error", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 9.1, "baseSeverity": "CRITICAL", "vectorString": "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", "version": "4.0"}}], "references": [{"name": "https://github.com/Privasys/enclave-os-virtual/security/advisories/GHSA-p5fp-g94g-g9m9", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/Privasys/enclave-os-virtual/security/advisories/GHSA-p5fp-g94g-g9m9"}, {"name": "https://github.com/Privasys/enclave-os-virtual/commit/9a6be91e29f2b6738d0b77c33cd1ad5cd3d8a347", "tags": ["x_refsource_MISC"], "url": "https://github.com/Privasys/enclave-os-virtual/commit/9a6be91e29f2b6738d0b77c33cd1ad5cd3d8a347"}, {"name": "https://github.com/Privasys/enclave-os-virtual/releases/tag/tdx-gpu-v0.6.27", "tags": ["x_refsource_MISC"], "url": "https://github.com/Privasys/enclave-os-virtual/releases/tag/tdx-gpu-v0.6.27"}, {"name": "https://github.com/Privasys/enclave-os-virtual/releases/tag/tdx-v0.2.43", "tags": ["x_refsource_MISC"], "url": "https://github.com/Privasys/enclave-os-virtual/releases/tag/tdx-v0.2.43"}, {"name": "https://privasys.org/blog/binding-attestation-to-the-tls-session", "tags": ["x_refsource_MISC"], "url": "https://privasys.org/blog/binding-attestation-to-the-tls-session"}], "affected": [{"vendor": "Privasys", "product": "enclave-os-virtual", "versions": [{"version": "< tdx-v0.2.43", "status": "affected"}, {"version": "< tdx-gpu-v0.6.27", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-09T21:13:33.595Z"}, "descriptions": [{"lang": "en", "value": "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."}], "source": {"advisory": "GHSA-p5fp-g94g-g9m9", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "enclave-os-virtual", "vendor": "Privasys", "versions": [{"status": "affected", "version": "< tdx-v0.2.43"}, {"status": "affected", "version": "< tdx-gpu-v0.6.27"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-108268", "lastModified": "2026-10-09T22:16:59.643", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-09T22:16:59.643", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/Privasys/enclave-os-virtual/commit/9a6be91e29f2b6738d0b77c33cd1ad5cd3d8a347"}, {"source": "security-advisories@github.com", "url": "https://github.com/Privasys/enclave-os-virtual/releases/tag/tdx-gpu-v0.6.27"}, {"source": "security-advisories@github.com", "url": "https://github.com/Privasys/enclave-os-virtual/releases/tag/tdx-v0.2.43"}, {"source": "security-advisories@github.com", "url": "https://github.com/Privasys/enclave-os-virtual/security/advisories/GHSA-p5fp-g94g-g9m9"}, {"source": "security-advisories@github.com", "url": "https://privasys.org/blog/binding-attestation-to-the-tls-session"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-346"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"created": "2026-10-09T22:30:13.487347+00:00", "updated": "2026-10-09T22:30:13.487354+00:00", "vendors": []}