{"id":"CLEANSTART-2026-UX86931","summary":"Sigstore Timestamp Authority is a service for issuing RFC 3161 timestamps","details":"Security vulnerability affects the cosign package. Sigstore Timestamp Authority is a service for issuing RFC 3161 timestamps.","modified":"2026-10-01T03:00:17.177837684Z","published":"2026-09-30T20:17:02.375442Z","upstream":["CVE-2025-66564"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-UX86931.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2025-66564"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66564"}],"affected":[{"package":{"name":"cosign","ecosystem":"CleanStart"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.3-r2"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-UX86931.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:N/I:N/A:H"}]}