{"id":"CLEANSTART-2026-ZZ46372","summary":"excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate","details":"Security vulnerability affects the buildkitd package. An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate.","modified":"2026-10-01T03:00:14.732265782Z","published":"2026-09-30T19:26:53.060435Z","upstream":["CVE-2025-61727"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-ZZ46372.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2025-61727"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-61727"}],"affected":[{"package":{"name":"buildkitd","ecosystem":"CleanStart"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26.3-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-ZZ46372.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"}]}