CVE-2026-30836 | THREATINT

Description

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.

PUBLISHED Reserved 2026-03-05 | Published 2026-03-19 | Updated 2026-03-25 | Assigner GitHub_M

CRITICAL: 10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Problem types

CWE-287: Improper Authentication

CWE-295: Improper Certificate Validation

Product status

< 0.30.0

affected

References

github.com/...icates/security/advisories/GHSA-q4r8-xm5f-56gw

github.com/...ommit/e6da031d5125cfd99fe9a26f74bb41e4dacca4ef

github.com/smallstep/certificates/releases/tag/v0.30.0-rc7

cve.org (CVE-2026-30836)

nvd.nist.gov (CVE-2026-30836)

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