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GHSA-h8cp-697h-8c8p

Step CA Has Authorization Bypass in ACME and SCEP Provisioners

Source: GitHub Advisory Database (reviewed) Critical CVE-2025-44005

Packages

EcosystemPackageAffectedFixed in
Go github.com/smallstep/certificates < 0.29.0 0.29.0

Details

As written in the advisory (Markdown source, shown as plain text).

## Summary 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 for now. A full write-up will be published in several weeks. --- ## Embargo List If your organization runs Step CA in production and would like advance, embargoed notification of future security updates, visit https://u.step.sm/disclosure to request inclusion on our embargo list. --- ## Acknowledgements This issue was identified and reported by Stephen Kubik of the Cisco Advanced Security Initiatives Group (ASIG) --- Stay safe, and thank you for helping us keep the ecosystem secure.

References

External links from the advisory. They lead to third-party sites.