{"id":"CVE-2026-30836","summary":"Step CA: Unauthenticated Certificate Issuance via SCEP UpdateReq (MessageType=18)","details":"Step CA is an online certificate authority for secure, automated certificate management for DevOps. Versions 0.30.0-rc6 and below do not safeguard against unauthenticated certificate issuance through the SCEP UpdateReq. This issue has been fixed in version 0.30.0.","aliases":["GHSA-q4r8-xm5f-56gw","GO-2026-4775"],"modified":"2026-05-16T11:53:51.640291734Z","published":"2026-03-19T20:37:05.757Z","related":["CGA-cx83-mwx5-9w47","SUSE-SU-2026:1135-1"],"database_specific":{"cwe_ids":["CWE-287","CWE-295"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/30xxx/CVE-2026-30836.json","cna_assigner":"GitHub_M"},"references":[{"type":"WEB","url":"https://github.com/smallstep/certificates/releases/tag/v0.30.0-rc7"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/30xxx/CVE-2026-30836.json"},{"type":"ADVISORY","url":"https://github.com/smallstep/certificates/security/advisories/GHSA-q4r8-xm5f-56gw"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-30836"},{"type":"FIX","url":"https://github.com/smallstep/certificates/commit/e6da031d5125cfd99fe9a26f74bb41e4dacca4ef"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N"}]}