CVE-2025-66406

Improper Authorization Check for SSH Certificate Revocation

CVSS 5 MEDIUMEPSS 0.1%CWE-863

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.

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

Affected products

smallstep · certificates

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References

https://github.com/smallstep/certificates/security/advisories/GHSA-j7c9-79x7-8hpr