CVE-2025-66406

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Source
https://nvd.nist.gov/vuln/detail/CVE-2025-66406
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-66406.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-66406
Aliases
Published
2025-12-03T19:13:48.240Z
Modified
2025-12-04T02:48:02.228342Z
Severity
  • 5.0 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H CVSS Calculator
Summary
Improper Authorization Check for SSH Certificate Revocation
Details

Step CA is an online certificate authority for secure, automated certificate management for DevOps. Prior to 0.29.0, there is an improper authorization check for SSH certificate revocation. This affects deployments configured with the SSHPOP provisioner. This vulnerability is fixed in 0.29.0.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66406.json",
    "cwe_ids": [
        "CWE-863"
    ]
}
References

Affected packages

Git / github.com/smallstep/certificates

Affected ranges

Type
GIT
Repo
https://github.com/smallstep/certificates
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
992ff696e95b424a99140bd7edb2144013975059
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.29.0"
        }
    ]
}

Affected versions

v0.*

v0.0.1-rc.2
v0.10.0
v0.11.0
v0.11.0-rc.1
v0.11.0-rc.2
v0.11.0-rc.3
v0.11.0-rc.4
v0.12.0
v0.13.0
v0.13.1
v0.13.2
v0.13.3
v0.14.0
v0.14.0-rc.1
v0.14.0-rc.14
v0.14.0-rc.16
v0.14.0-rc.2
v0.14.0-rc.3
v0.14.0-rc.5
v0.14.0-rc.6
v0.14.0-rc.7
v0.14.0-rc.8
v0.14.0-rc.9
v0.14.1
v0.14.2
v0.14.3
v0.14.4
v0.14.5
v0.14.5-rc.4
v0.14.6
v0.14.7-rc.1.docker-buildx
v0.14.7-rc.2.deb-name-test
v0.15.0
v0.15.0-rc.1
v0.15.1
v0.15.1-rc.1
v0.15.10
v0.15.11
v0.15.12
v0.15.12-rc1
v0.15.12-rc2
v0.15.12-rc3
v0.15.12-rc4
v0.15.12-rc5
v0.15.13
v0.15.14
v0.15.15
v0.15.16
v0.15.16-rc1.test-arm6
v0.15.16-rc2.test-arm6
v0.15.16-rc3.test-arm6
v0.15.16-rc4
v0.15.16-rc5
v0.15.16-rc7
v0.15.2
v0.15.2-rc.1
v0.15.3
v0.15.4
v0.15.5
v0.15.6
v0.15.7
v0.15.7-rc.1
v0.15.8
v0.15.9
v0.15.9-rc1
v0.15.9-rc10
v0.15.9-rc11
v0.15.9-rc12
v0.15.9-rc13
v0.15.9-rc14
v0.15.9-rc15
v0.15.9-rc16
v0.15.9-rc17
v0.15.9-rc19
v0.15.9-rc2
v0.15.9-rc3
v0.15.9-rc4
v0.15.9-rc5
v0.15.9-rc6
v0.15.9-rc7
v0.15.9-rc8
v0.15.9-rc9
v0.16.0
v0.16.0-rc.1
v0.16.0-rc.2
v0.16.1
v0.16.2
v0.16.3
v0.16.4
v0.17.0
v0.17.0-rc1
v0.17.1
v0.17.2
v0.17.2-rc1
v0.17.3
v0.17.3-rc1
v0.17.3-rc2
v0.17.3-rc3
v0.17.3-rc4
v0.17.3-rc5
v0.17.3-rc6
v0.17.3-rc7
v0.17.3-rc8
v0.17.3-rc9
v0.17.4
v0.17.4-rc1
v0.17.5
v0.17.5-rc1
v0.17.6
v0.17.6-rc2
v0.18.0
v0.18.1
v0.18.1-rc1
v0.18.1-rc2
v0.18.1-rc3
v0.18.2
v0.18.3-rc1
v0.19.0
v0.20.0
v0.21.0
v0.22.0
v0.22.1
v0.22.2-rc13
v0.22.2-rc14
v0.23.0
v0.23.0-rc.1
v0.23.0-rc.2
v0.23.0-rc.3
v0.23.1
v0.23.1-rc.1
v0.23.2
v0.24.0
v0.24.0-rc.2
v0.24.0-rc1
v0.24.1
v0.24.2
v0.24.3-rc.1
v0.24.3-rc.2
v0.24.3-rc.3
v0.24.3-rc.4
v0.24.3-rc.5
v0.25.0
v0.25.1
v0.25.2
v0.25.3-rc.1
v0.25.3-rc2
v0.25.3-rc4
v0.25.3-rc5
v0.25.3-rc6
v0.25.3-rc7
v0.26.0
v0.26.0-rc1
v0.26.0-rc2
v0.26.1
v0.26.2
v0.27.0
v0.27.1
v0.27.2
v0.27.3
v0.27.4
v0.27.5
v0.28.0
v0.28.1
v0.28.2
v0.28.3-rc1
v0.28.3-rc2
v0.28.4
v0.8.1
v0.8.1-rc.1
v0.8.1-rc.2
v0.8.2
v0.8.2-rc.1
v0.8.3
v0.8.4
v0.8.4-rc.1
v0.8.4-rc.2
v0.8.5
v0.8.5-rc.5
v0.9.0
v0.9.0-rc.1
v0.9.1
v0.9.1-rc.1
v0.9.1-rc.2
v0.9.2
v0.9.2-rc.1