CVE-2026-30836

CRITICAL

10.0

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.

CVE Details

CVSS v3.1 Score10.0

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/19/2026

Last Modified3/20/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-287CWE-295

References

https://github.com/smallstep/certificates/commit/e6da031d5125cfd99fe9a26f74bb41e4dacca4ef(security-advisories@github.com)

https://github.com/smallstep/certificates/releases/tag/v0.30.0-rc7(security-advisories@github.com)

https://github.com/smallstep/certificates/security/advisories/GHSA-q4r8-xm5f-56gw(security-advisories@github.com)

IOC Correlations

No correlations recorded

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