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Vulnerabilities / CVE-2026-30836

critical

CVE-2026-30836

github.com/smallstep/certificates: Step CA: Unauthenticated certificate issuance via SCEP Update Request

Published Modified CWE 287, 295
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

GHSA10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Red Hat10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Trivy's own label is CRITICAL. Rated critical by GHSA, Red Hat. Rated lower by Ubuntu (medium).

Description

Step CA is an online certificate authority for secure, automated certificate management for DevOps. Versions 0.30.0-rc6 and below do not safeguard against unauthenticated certificate issuance through the SCEP UpdateReq. This issue has been fixed in version 0.30.0.

Affected packages and fixed versions

SourcePackageFixed in
go::GitHub Security Advisory Gogithub.com/smallstep/certificates0.30.0
alpine 3.23step-certificates0.30.1-r0
alpine 3.24step-certificates0.30.1-r0
alpine edgestep-certificates0.30.1-r0
chainguardcaddy, caddy-fips, frankenphp-8.2 and 5 more2.11.2-r7 and 4 more
minimoscaddy, caddy-fips2.11.2-r2 and 1 more
rapidfort alpine 3.20step-certificates0.30.1-r0
rapidfort alpine 3.21step-certificates0.30.1-r0
rapidfort alpine 3.22step-certificates0.30.1-r0
rapidfort alpine 3.23step-certificates0.30.1-r0
rapidfort alpine 3.24step-certificates0.30.1-r0
ubuntu 24.04golang-github-smallstep-certificatesno fix listed
Show all 22 entries from 14 sources
SourcePackageFixed in
go::GitHub Security Advisory Gogithub.com/smallstep/certificates0.30.0
alpine 3.23step-certificates0.30.1-r0
alpine 3.24step-certificates0.30.1-r0
alpine edgestep-certificates0.30.1-r0
chainguardcaddy2.11.2-r7
chainguardcaddy-fips2.11.2-r3
chainguardfrankenphp-8.21.12.1-r2
chainguardfrankenphp-8.31.12.1-r2
chainguardfrankenphp-8.41.12.1-r2
chainguardfrankenphp-8.51.12.1-r2
chainguardstep-ca-fips0.30.2-r0
chainguardstep-issuer-fips0.9.11-r10
minimoscaddy2.11.2-r2
minimoscaddy-fips2.11.2-r3
rapidfort alpine 3.20step-certificates0.30.1-r0
rapidfort alpine 3.21step-certificates0.30.1-r0
rapidfort alpine 3.22step-certificates0.30.1-r0
rapidfort alpine 3.23step-certificates0.30.1-r0
rapidfort alpine 3.24step-certificates0.30.1-r0
ubuntu 24.04golang-github-smallstep-certificatesno fix listed
ubuntu 26.04golang-github-smallstep-certificatesno fix listed
wolficaddy2.11.2-r7

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.