{"id":"CVE-2026-30836","sourceIdentifier":"security-advisories@github.com","published":"2026-03-19T21:17:09.783","lastModified":"2026-06-17T10:33:00.107","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"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."},{"lang":"es","value":"Step CA es una autoridad de certificación en línea para la gestión de certificados segura y automatizada para DevOps. Las versiones 0.30.0-rc6 e inferiores no protegen contra la emisión de certificados no autenticada a través de la solicitud SCEP UpdateReq. Este problema ha sido corregido en la versión 0.30.0."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"smallstep","product":"certificates","versions":[{"version":"< 0.30.0","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N","baseScore":10.0,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":5.8}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-03-25T14:15:50.363882Z","id":"CVE-2026-30836","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-287"},{"lang":"en","value":"CWE-295"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-295"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:smallstep:step-ca:*:*:*:*:*:go:*:*","versionEndExcluding":"0.30.0","matchCriteriaId":"55DF2401-9601-4B51-9AB2-86A19579AC41"},{"vulnerable":true,"criteria":"cpe:2.3:a:smallstep:step-ca:0.30.0:rc1:*:*:*:go:*:*","matchCriteriaId":"D49EF50A-2928-4577-A5AD-0CD81C9E1AE8"},{"vulnerable":true,"criteria":"cpe:2.3:a:smallstep:step-ca:0.30.0:rc2:*:*:*:go:*:*","matchCriteriaId":"E238C89C-4A97-4FA1-8DE0-9FE51CDF59B9"},{"vulnerable":true,"criteria":"cpe:2.3:a:smallstep:step-ca:0.30.0:rc3:*:*:*:go:*:*","matchCriteriaId":"36F90BB4-B07E-496D-B325-A4D9365E251C"},{"vulnerable":true,"criteria":"cpe:2.3:a:smallstep:step-ca:0.30.0:rc4:*:*:*:go:*:*","matchCriteriaId":"0307DFDF-481F-4AAB-B763-6DB8B6C7A26E"},{"vulnerable":true,"criteria":"cpe:2.3:a:smallstep:step-ca:0.30.0:rc5:*:*:*:go:*:*","matchCriteriaId":"D90ACCF3-B841-424A-ADA8-C957ED6A900F"},{"vulnerable":true,"criteria":"cpe:2.3:a:smallstep:step-ca:0.30.0:rc6:*:*:*:go:*:*","matchCriteriaId":"F5AACCF3-DE86-4453-98DD-9D42D1164C3B"}]}]}],"references":[{"url":"https://github.com/smallstep/certificates/commit/e6da031d5125cfd99fe9a26f74bb41e4dacca4ef","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/smallstep/certificates/releases/tag/v0.30.0-rc7","source":"security-advisories@github.com","tags":["Release Notes"]},{"url":"https://github.com/smallstep/certificates/security/advisories/GHSA-q4r8-xm5f-56gw","source":"security-advisories@github.com","tags":["Vendor Advisory"]}]}