Is CVE-2026-30836 actively exploited?

CVE-2026-30836 has no public evidence of in-the-wild exploitation as of 2026-04-27.

What is the CVSS score for CVE-2026-30836?

CVE-2026-30836 has a CVSS score of 10 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N.

How do I patch CVE-2026-30836?

Patch guidance is available from smallstep security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-30836.

Fix CVE-2026-30836 - CRITICAL smallstep step-ca

Q: Which products are affected by CVE-2026-30836?

7 products: smallstep step-ca, smallstep step-ca, smallstep step-ca, smallstep step-ca, smallstep step-ca, and 2 more.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: changed
Confidentiality: high
Integrity: high
Availability: none
Weaknesses: CWE-287 · Improper Authentication CWE-295 CWE-295

Metadata

Primary Vendor: SMALLSTEP
Published: 3/19/2026
Last Modified: 4/27/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

smallstep : step-casmallstep : step-casmallstep : step-casmallstep : step-casmallstep : step-casmallstep : step-casmallstep : step-ca

Remediation Guidance

Executive Summary

View on NIST NVD