GHSA-h8cp-697h-8c8p

    Dashboard / Vulnerabilities / GHSA-h8cp-697h-8c8p

    GHSA-h8cp-697h-8c8p

    Published: 3 Dec 2025Last Modified: 10 Sept 2026

    Summary: Step CA Has Authorization Bypass in ACME and SCEP Provisioners

    Details: ## 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.

    Affected packages

    Package

    Name: github.com/smallstep/certificates

    Purl: pkg:golang/github.com/smallstep/certificates

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -0.29.0

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-h8cp-697h-8c8p | CVE-DB