{"api_version":"1","generated_at":"2026-04-10T06:34:08+00:00","cve":"CVE-2026-34054","urls":{"html":"https://cve.report/CVE-2026-34054","api":"https://cve.report/api/cve/CVE-2026-34054.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-34054","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-34054"},"summary":{"title":"openssl on Windows built with openssldir set from the build machine (Uncontrolled Search Path Element)","description":"vcpkg is a free and open-source C/C++ package manager. Prior to version 3.6.1#3, vcpkg's Windows builds of OpenSSL set openssldir to a path on the build machine, making that path be attackable later on customer machines. This issue has been patched in version 3.6.1#3.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-03-31 03:15:58","updated_at":"2026-04-01 14:24:02"},"problem_types":["CWE-427","CWE-427 CWE-427: Uncontrolled Search Path Element"],"metrics":[{"version":"3.1","source":"security-advisories@github.com","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://github.com/microsoft/vcpkg/security/advisories/GHSA-p322-v6vw-vrq9","name":"https://github.com/microsoft/vcpkg/security/advisories/GHSA-p322-v6vw-vrq9","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/microsoft/vcpkg/commit/5111afdf55cc1429d9951e4c7b02010e659346a9","name":"https://github.com/microsoft/vcpkg/commit/5111afdf55cc1429d9951e4c7b02010e659346a9","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/microsoft/vcpkg/pull/50518","name":"https://github.com/microsoft/vcpkg/pull/50518","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-34054","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34054","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"microsoft","product":"vcpkg","version":"affected < 3.6.1#3","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"34054","cve":"CVE-2026-34054","epss":"0.000690000","percentile":"0.210510000","score_date":"2026-04-07","updated_at":"2026-04-08 00:03:40"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-34054","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-03-31T15:35:33.233027Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-03-31T15:35:43.388Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"vcpkg","vendor":"microsoft","versions":[{"status":"affected","version":"< 3.6.1#3"}]}],"descriptions":[{"lang":"en","value":"vcpkg is a free and open-source C/C++ package manager. Prior to version 3.6.1#3, vcpkg's Windows builds of OpenSSL set openssldir to a path on the build machine, making that path be attackable later on customer machines. This issue has been patched in version 3.6.1#3."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-427","description":"CWE-427: Uncontrolled Search Path Element","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-03-31T01:56:14.585Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"name":"https://github.com/microsoft/vcpkg/security/advisories/GHSA-p322-v6vw-vrq9","tags":["x_refsource_CONFIRM"],"url":"https://github.com/microsoft/vcpkg/security/advisories/GHSA-p322-v6vw-vrq9"},{"name":"https://github.com/microsoft/vcpkg/pull/50518","tags":["x_refsource_MISC"],"url":"https://github.com/microsoft/vcpkg/pull/50518"},{"name":"https://github.com/microsoft/vcpkg/commit/5111afdf55cc1429d9951e4c7b02010e659346a9","tags":["x_refsource_MISC"],"url":"https://github.com/microsoft/vcpkg/commit/5111afdf55cc1429d9951e4c7b02010e659346a9"}],"source":{"advisory":"GHSA-p322-v6vw-vrq9","discovery":"UNKNOWN"},"title":"openssl on Windows built with openssldir set from the build machine (Uncontrolled Search Path Element)"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-34054","datePublished":"2026-03-31T01:56:14.585Z","dateReserved":"2026-03-25T15:29:04.746Z","dateUpdated":"2026-03-31T15:35:43.388Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-03-31 03:15:58","lastModifiedDate":"2026-04-01 14:24:02","problem_types":["CWE-427","CWE-427 CWE-427: Uncontrolled Search Path Element"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"34054","Ordinal":"1","Title":"openssl on Windows built with openssldir set from the build mach","CVE":"CVE-2026-34054","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"34054","Ordinal":"1","NoteData":"vcpkg is a free and open-source C/C++ package manager. Prior to version 3.6.1#3, vcpkg's Windows builds of OpenSSL set openssldir to a path on the build machine, making that path be attackable later on customer machines. This issue has been patched in version 3.6.1#3.","Type":"Description","Title":"openssl on Windows built with openssldir set from the build mach"}]}}}