CVE-2026-30836

ADVISORY - github

Summary

⚠️ Limited Disclosure — Full Details Pending

A critical security vulnerability has been identified in Step CA. An updated version, v0.30.0, is available and all operators are strongly encouraged to upgrade immediately.

Full details of this vulnerability will be published in this security advisory on March 30, 2026. If you have urgent questions in the meantime, please contact security@smallstep.com.

EPSS Score: 0.00009 (0.009)

Common Weakness Enumeration (CWE)

ADVISORY - nist

Improper Authentication

Improper Certificate Validation

ADVISORY - github

Improper Authentication

Improper Certificate Validation

ADVISORY - redhat

Missing Authentication for Critical Function


NIST

CREATED

UPDATED

EXPLOITABILITY SCORE

3.9

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)

CVSS SCORE

10critical

GitHub

CREATED

UPDATED

EXPLOITABILITY SCORE

3.9

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)

CVSS SCORE

10critical

Alpine

CREATED

UPDATED

EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
RATING UNAVAILABLE FROM ADVISORY

Ubuntu

CREATED

UPDATED

EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

GoLang

CREATED

UPDATED

ADVISORY IDGO-2026-4775
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
RATING UNAVAILABLE FROM ADVISORY

Red Hat

CREATED

UPDATED

EXPLOITABILITY SCORE

3.9

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)

CVSS SCORE

10critical

Chainguard

CREATED

UPDATED

ADVISORY ID

CGA-cx83-mwx5-9w47

EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

UPDATED

ADVISORY ID

MINI-2wg4-h9cw-h7wv

EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

UPDATED

ADVISORY ID

MINI-4p7v-22gr-f66j

EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
RATING UNAVAILABLE FROM ADVISORY