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CRITICAL · 10.0

CVE-2026-30836

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 ...

Vulnerability 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.

CVSS Score

10.0

CRITICAL

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

Affected Products

VendorProductVersions
SmallstepStep-Ca< 0.30.0

Related Weaknesses (CWE)

CWE-295CWE-287

References

FAQ

What is CVE-2026-30836?

CVE-2026-30836 is a vulnerability with a CVSS score of 10.0 (CRITICAL). 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 ...

How severe is CVE-2026-30836?

CVE-2026-30836 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-30836?

Check the references section above for vendor advisories and patch information. Affected products include: Smallstep Step-Ca.