smallstep 相关的公开 CVE 漏洞与安全风险信息，提供 CVSS、EPSS、公开时间与漏洞情报数据，帮助评估潜在风险与修复优先级。
| CVE | 摘要 | 来源 | 最高 CVSS | EPSS % | 公开时间 | 更新时间 |
|---|---|---|---|---|---|---|
| CVE-2026-40097 | Step CA is an online certificate authority for secure, automated certificate management for DevOps. From 0.24.0 to before 0.30.0-rc3, an attacker can trigger an index out-of-bounds panic in Step CA by sending a crafted attestation key (AK) certificate with an empty Extended Key Usage (EKU) extension during TPM device attestation. When processing a device-attest-01 ACME challenge using TPM attestation, Step CA validates that the AK certificate contains the tcg-kp-AIKCertificate Extended Key Usage | [email protected] | 3.7 | 0.18% | 2026-04-10 | 2026-06-17 |
| CVE-2026-30836 | 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. | [email protected] | 10.0 | 0.30% | 2026-03-19 | 2026-06-17 |