CVE-2026-30836 (GCVE-0-2026-30836)

Vulnerability from cvelistv5 – Published: 2026-03-19 20:37 – Updated: 2026-03-25 14:16
VLAI
Title
Step CA: Unauthenticated Certificate Issuance via SCEP UpdateReq (MessageType=18)
Summary
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.
Severity
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-25 14:15 UTC
CWE
  • CWE-287 - Improper Authentication
  • CWE-295 - Improper Certificate Validation
Assigner
References
Impacted products
Vendor Product Version CPE status
smallstep certificates Affected: < 0.30.0
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

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