{"id":"CVE-2026-34054","state":"PUBLISHED","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.","publishedAt":"2026-03-31T01:56:14.585Z","updatedAt":"2026-04-02T03:55:58.861Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["microsoft vcpkg"],"affected":[{"vendor":"microsoft","product":"vcpkg","versions":[{"version":"< 3.6.1#3","status":"affected"}]}],"references":["https://github.com/microsoft/vcpkg/security/advisories/GHSA-p322-v6vw-vrq9","https://github.com/microsoft/vcpkg/pull/50518","https://github.com/microsoft/vcpkg/commit/5111afdf55cc1429d9951e4c7b02010e659346a9"],"weaknesses":["CWE-427"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/34xxx/CVE-2026-34054.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-34054","state":"PUBLISHED","datePublished":"2026-03-31T01:56:14.585Z","dateUpdated":"2026-04-02T03:55:58.861Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-25T15:29:04.746Z"},"containers":{"cna":{"title":"openssl on Windows built with openssldir set from the build machine (Uncontrolled Search Path Element)","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."}],"affected":[{"vendor":"microsoft","product":"vcpkg","versions":[{"version":"< 3.6.1#3","status":"affected"}]}],"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","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/microsoft/vcpkg/pull/50518","name":"https://github.com/microsoft/vcpkg/pull/50518","tags":["x_refsource_MISC"]},{"url":"https://github.com/microsoft/vcpkg/commit/5111afdf55cc1429d9951e4c7b02010e659346a9","name":"https://github.com/microsoft/vcpkg/commit/5111afdf55cc1429d9951e4c7b02010e659346a9","tags":["x_refsource_MISC"]}],"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","lang":"en","description":"CWE-427: Uncontrolled Search Path Element","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-03-31T01:56:14.585Z"},"source":{"advisory":"GHSA-p322-v6vw-vrq9","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-01T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-34054"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-02T03:55:58.861Z"}}]}}}