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CWE

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CVE-2026-30836

Published: Mar 19, 2026

Modified: Mar 25, 2026

PUBLISHED

CVSS v3.1

10.0

CRITICAL

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.

Vendor	Product	Versions
smallstep	certificates	affected `< 0.30.0`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

References

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

x_refsource_CONFIRM

https://github.com/smallstep/certificates/commit/e6da031d5125cfd99fe9a26f74bb41e4dacca4ef

x_refsource_MISC

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

x_refsource_MISC

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