Advisories for Golang/Github.com/Smallstep/Certificates package

2025

step-ca Has Improper Authorization Check for SSH Certificate Revocation

A security fix is now available for Step CA that resolves a vulnerability affecting deployments configured with the SSHPOP provisioner. All operators running these provisioners should upgrade to the latest release (v0.29.0) immediately. The issue was discovered and responsibly disclosed by a research team during a security review. There is no evidence of active exploitation. To limit exploitation risk during a coordinated disclosure window, we are withholding detailed technical information …

Step CA Has Authorization Bypass in ACME and SCEP Provisioners

A security fix is now available for Step CA that resolves a vulnerability affecting deployments configured with ACME and/or SCEP provisioners. All operators running these provisioners should upgrade to the latest release (v0.29.0) immediately. The issue was discovered and disclosed by a research team during a security review. There is no evidence of active exploitation. To limit exploitation risk during a coordinated disclosure window, we are withholding detailed technical information …