{"action":"Upgrade github.com/smallstep/certificates to 0.30.0 or later.","affected":[{"fixed":"0.30.0","introduced":"0"}],"component":"github.com/smallstep/certificates","cve_ids":["CVE-2026-30836"],"ecosystem":"Go","epss":0.0032,"exploited":false,"fixed_versions":["0.30.0"],"ghsa_id":"GHSA-q4r8-xm5f-56gw","id":"tcs_01M5KFJ9WR4GNZHXTM3FJZPXRH","modified_at":"2026-09-10T03:50:40.575660871Z","published_at":"2026-03-19T16:27:53Z","references":["https://osv.dev/vulnerability/GHSA-q4r8-xm5f-56gw","https://github.com/smallstep/certificates/security/advisories/GHSA-q4r8-xm5f-56gw","https://nvd.nist.gov/vuln/detail/CVE-2026-30836","https://github.com/smallstep/certificates/commit/e6da031d5125cfd99fe9a26f74bb41e4dacca4ef","https://github.com/smallstep/certificates","https://github.com/smallstep/certificates/releases/tag/v0.30.0-rc7"],"severity":{"label":"critical","score":10},"sources":[{"source":"osv","source_id":"GHSA-q4r8-xm5f-56gw","url":"https://osv.dev/vulnerability/GHSA-q4r8-xm5f-56gw"}],"summary":"step-ca has Unauthenticated Certificate Issuance via SCEP UpdateReq (MessageType=18)"}