{"action":"Upgrade github.com/smallstep/certificates to 0.29.0 or later.","affected":[{"fixed":"0.29.0","introduced":"0"}],"component":"github.com/smallstep/certificates","cve_ids":["CVE-2025-66406"],"ecosystem":"Go","epss":0.00151,"exploited":false,"fixed_versions":["0.29.0"],"ghsa_id":"GHSA-j7c9-79x7-8hpr","id":"tcs_01M5KFDR7RJYHZ7686N4HA6PDV","modified_at":"2026-09-10T03:50:31.999339414Z","published_at":"2025-12-03T16:27:59Z","references":["https://osv.dev/vulnerability/GHSA-j7c9-79x7-8hpr","https://github.com/smallstep/certificates/security/advisories/GHSA-j7c9-79x7-8hpr","https://nvd.nist.gov/vuln/detail/CVE-2025-66406","https://github.com/smallstep/certificates"],"severity":{"label":"medium","score":5},"sources":[{"source":"osv","source_id":"GHSA-j7c9-79x7-8hpr","url":"https://osv.dev/vulnerability/GHSA-j7c9-79x7-8hpr"}],"summary":"step-ca Has Improper Authorization Check for SSH Certificate Revocation"}