{"id":"EUVD-2026-4661","revision":null,"records":[{"revision":"2cf54cabb5ba43e09c2a5c80e814a26e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-22696","aliases":[],"title":"dcap-qvl has Missing Verification for QE Identity","description":"dcap-qvl implements the quote verification logic for DCAP (Data Center Attestation Primitives). A vulnerability present in versions prior to 0.3.9 involves a critical gap in the cryptographic verification process within the dcap-qvl. The library fetches QE Identity collateral (including qe_identity, qe_identity_signature, and qe_identity_issuer_chain) from the PCCS. However, it skips to verify the QE Identity signature against its certificate chain and does not enforce policy constraints on the QE Report. An attacker can forge the QE Identity data to whitelist a malicious or non-Intel Quoting Enclave. This allows the attacker to forge the QE and sign untrusted quotes that the verifier will accept as valid. Effectively, this bypasses the entire remote attestation security model, as the verifier can no longer trust the entity responsible for signing the quotes. All deployments utilizing the dcap-qvl library for SGX or TDX quote verification are affected. The vulnerability has been patched in dcap-qvl version 0.3.9. The fix implements the missing cryptographic verification for the QE Identity signature and enforces the required checks for MRSIGNER, ISVPRODID, and ISVSVN against the QE Report. Users of the `@phala/dcap-qvl-node` and `@phala/dcap-qvl-web` packages should switch to the pure JavaScript implementation, `@phala/dcap-qvl`. There are no known workarounds for this vulnerability. Users must upgrade to the patched version to ensure that QE Identity collateral is properly verified.","state":0,"publishedAt":"2026-01-26T21:28:41.284+00:00","modifiedAt":"2026-01-27T21:43:00.366+00:00","affected":[{"ecosystem":"Vendor product","name":"dcap-qvl","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Phala-Network\",\n                    \"product\": \"dcap-qvl\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 0.3.9\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":9.3,"severity":"CRITICAL"}],"references":["https://github.com/Phala-Network/dcap-qvl/security/advisories/GHSA-796p-j2gh-9m2q"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-22696","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-22696","identifiers":["CVE-2026-22696"]},"retained":false,"historicalAffected":[]},{"revision":"928041b33de14d649c4ef68909f27466","observedAt":"2026-10-30T02:51:55.572+00:00","statement":{"source":"euvd","id":"EUVD-2026-4661","aliases":["CVE-2026-22696","GHSA-796p-j2gh-9m2q"],"title":"dcap-qvl implements the quote verification logic for DCAP (Data Center Attestation Primitives). A vulnerability present in versions prior to 0.3.9 involves a critical gap in the cryptographic verification process within the dcap-qvl. The li…","description":"dcap-qvl implements the quote verification logic for DCAP (Data Center Attestation Primitives). A vulnerability present in versions prior to 0.3.9 involves a critical gap in the cryptographic verification process within the dcap-qvl. The library fetches QE Identity collateral (including qe_identity, qe_identity_signature, and qe_identity_issuer_chain) from the PCCS. However, it skips to verify the QE Identity signature against its certificate chain and does not enforce policy constraints on the QE Report. An attacker can forge the QE Identity data to whitelist a malicious or non-Intel Quoting Enclave. This allows the attacker to forge the QE and sign untrusted quotes that the verifier will accept as valid. Effectively, this bypasses the entire remote attestation security model, as the verifier can no longer trust the entity responsible for signing the quotes. All deployments utilizing the dcap-qvl library for SGX or TDX quote verification are affected. The vulnerability has been patched in dcap-qvl version 0.3.9. The fix implements the missing cryptographic verification for the QE Identity signature and enforces the required checks for MRSIGNER, ISVPRODID, and ISVSVN against the QE Report. Users of the `@phala/dcap-qvl-node` and `@phala/dcap-qvl-web` packages should switch to the pure JavaScript implementation, `@phala/dcap-qvl`. There are no known workarounds for this vulnerability. Users must upgrade to the patched version to ensure that QE Identity collateral is properly verified.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":9.3,"severity":null}],"references":["https://github.com/Phala-Network/dcap-qvl/security/advisories/GHSA-796p-j2gh-9m2q"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-4661","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Jan 26, 2026, 9:28:41 PM","dateUpdated":"Jan 27, 2026, 9:43:00 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. 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The library fetches QE Identity collateral (including qe_identity, qe_identity_signature, and qe_identity_issuer_chain) from the PCCS. However, it skips to verify the QE Identity signature against its certificate chain and does not enforce policy constraints on the QE Report. An attacker can forge the QE Identity data to whitelist a malicious or non-Intel Quoting Enclave. This allows the attacker to forge the QE and sign untrusted quotes that the verifier will accept as valid. Effectively, this bypasses the entire remote attestation security model, as the verifier can no longer trust the entity responsible for signing the quotes. All deployments utilizing the dcap-qvl library for SGX or TDX quote verification are affected. The vulnerability has been patched in dcap-qvl version 0.3.9. The fix implements the missing cryptographic verification for the QE Identity signature and enforces the required checks for MRSIGNER, ISVPRODID, and ISVSVN against the QE Report. Users of the `@phala/dcap-qvl-node` and `@phala/dcap-qvl-web` packages should switch to the pure JavaScript implementation, `@phala/dcap-qvl`. There are no known workarounds for this vulnerability. Users must upgrade to the patched version to ensure that QE Identity collateral is properly verified.","state":0,"publishedAt":"2026-01-26T22:15:55.733+00:00","modifiedAt":"2026-06-17T10:20:15.12+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · security-advisories@github.com · Secondary","vector":"CVSS:4.0/AV:N/AC:L/AT:N/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","score":9.3,"severity":"CRITICAL"}],"references":["https://github.com/Phala-Network/dcap-qvl/security/advisories/GHSA-796p-j2gh-9m2q"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-22696","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-295","CWE-347"],"productCriteria":[],"sourceDates":{"published":"2026-01-26T22:15:55.733","lastModified":"2026-06-17T10:20:15.120"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-22696","identifiers":["CVE-2026-22696"]},"retained":false,"historicalAffected":[]},{"revision":"44e8a82395464b449d91aa56b1febfef","observedAt":"2026-10-27T16:44:03.037+00:00","statement":{"source":"osv","id":"GHSA-796p-j2gh-9m2q","aliases":["CVE-2026-22696","PYSEC-2026-326"],"title":"dcap-qvl has Missing Verification for QE Identity","description":"## Impact\nThis vulnerability involves a critical gap in the cryptographic verification process within the dcap-qvl.\n\nThe library fetches QE Identity collateral (including qe_identity, qe_identity_signature, and qe_identity_issuer_chain) from the PCCS. However, it skips to verify the QE Identity signature against its certificate chain and does not enforce policy constraints on the QE Report.\n\n## Consequences\nAn attacker can forge the QE Identity data to whitelist a malicious or non-Intel Quoting Enclave. This allows the attacker to forge the QE and sign untrusted quotes that the verifier will accept as valid. Effectively, this bypasses the entire remote attestation security model, as the verifier can no longer trust the entity responsible for signing the quotes.\n\n## Who is impacted\nAll deployments utilizing the dcap-qvl library for SGX or TDX quote verification are affected.\n\n## Patches\nThe vulnerability has been patched in dcap-qvl version 0.3.9. The fix implements the missing cryptographic verification for the QE Identity signature and enforces the required checks for MRSIGNER, ISVPRODID, and ISVSVN against the QE Report.\n\nUsers of the `@phala/dcap-qvl-node` and `@phala/dcap-qvl-web` packages should switch to the pure JavaScript implementation, `@phala/dcap-qvl`.\n\n## Workarounds\nThere are no known workarounds for this vulnerability. Users must upgrade to the patched version to ensure that QE Identity collateral is properly verified.\n\n## Credit\nThis bug was reported by Rahul Saxena <saxenism@bluethroatlabs.com>.","state":0,"publishedAt":"2026-01-26T18:55:13+00:00","modifiedAt":"2026-10-27T16:30:07.2610584+00:00","affected":[{"ecosystem":"crates.io","name":"dcap-qvl","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"0.3.9"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"@phala/dcap-qvl","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"0.3.9"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"@phala/dcap-qvl-web","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"last_affected","version":"0.3.3"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"@phala/dcap-qvl-node","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"last_affected","version":"0.3.3"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"PyPI","name":"dcap-qvl","ranges":[{"type":"ECOSYSTEM","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"0.3.9"}]}],"versions":["0.1.0","0.1.1","0.1.2","0.1.3","0.2.2","0.3.0","0.3.2","0.3.4","0.3.5","0.3.6","0.3.7","0.3.8"],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V4","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"CRITICAL"}],"references":["https://github.com/Phala-Network/dcap-qvl/security/advisories/GHSA-796p-j2gh-9m2q","https://nvd.nist.gov/vuln/detail/CVE-2026-22696","https://github.com/Phala-Network/dcap-qvl","https://github.com/pypa/advisory-database/tree/main/vulns/dcap-qvl/PYSEC-2026-326.yaml","https://pypi.org/project/dcap-qvl"],"sourceUrl":"https://github.com/advisories/GHSA-796p-j2gh-9m2q","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-796p-j2gh-9m2q","identifiers":["GHSA-796p-j2gh-9m2q","CVE-2026-22696","PYSEC-2026-326"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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