Vulnerability DatabaseCVE-2026-30836
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CVE-2026-30836
March 19, 2026
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 Packages
https://github.com/smallstep/certificates.git (GITHUB):
Affected version(s) >=v0.0.1-rc.1 <v0.30.0
Fix Suggestion:
Update to version v0.30.0
Related Resources (5)
https://github.com/smallstep/certificates
https://github.com/smallstep/certificates/commit/e6da031d5125cfd99fe9a26f74bb41e4dacca4ef
https://nvd.nist.gov/vuln/detail/CVE-2026-30836
https://github.com/smallstep/certificates/releases/tag/v0.30.0-rc7
https://github.com/smallstep/certificates/security/advisories/GHSA-q4r8-xm5f-56gw
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CVSS v4
Base Score:
9.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
NONE
CVSS v3
Base Score:
10
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Authentication
CWE-287
Improper Certificate Validation
CWE-295
EPSS
Base Score:
0.01