CVE-2026-30836: github.com/smallstep/certificates: Step CA: Unauthenticated certificate issuance via SCEP Update Request

Severity: Critical

CVSS Score: 10

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.