CVE-2025-66406

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CVSS 3.1

5.0 medium

EPSS

<1%p5

Published

Dec 3, 2025 (Dec 3, 2025)

Modified

Jun 17, 2026

Description

Step CA is an online certificate authority for secure, automated certificate management for DevOps. Prior to 0.29.0, there is an improper authorization check for SSH certificate revocation. This affects deployments configured with the SSHPOP provisioner. This vulnerability is fixed in 0.29.0.

Weakness: CWE-863
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H

NVD CVE.org GitHub PoCs EPSS (0.2%)

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