CVE-2026-30836

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.

Affected Software

Weaknesses

• CWE-287: CWE-287: Improper Authentication
• CWE-295: CWE-295: Improper Certificate Validation

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: total

References

• https://github.com/smallstep/certificates/security/advisories/GHSA-q4r8-xm5f-56gw
• https://github.com/smallstep/certificates/commit/e6da031d5125cfd99fe9a26f74bb41e4dacca4ef
• https://github.com/smallstep/certificates/releases/tag/v0.30.0-rc7

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