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CRITICALCVE-2026-30836Published Modified CNA GitHub_M

CVE-2026-30836: Step CA: Unauthenticated Certificate Issuance via SCEP UpdateReq (MessageType=18)

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.

Metrics

CVSS v3.1
10.0
Severity
CRITICAL
Fixed in
Affected Products
1
Affected packages
  • smallstep / certificates
    < 0.30.0
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N