# github.com/smallstep/certificates (Go) vulnerabilities

4 known vulnerabilities (2 critical, 1 medium, 1 low), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: v0.30.2 (Mar 19, 2026): no advisory affects it
- Newest unaffected release: v0.30.2 (Mar 19, 2026), the latest release
- Releases: 242 since v0.8.1 (Nov 30, 2018)
- Registry: https://pkg.go.dev/github.com/smallstep/certificates
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-40097: v0.24.0 to v0.30.0-rc7 (v0.30.0 is outside it)
- CVE-2026-30836: v0.0.1-rc.1 to v0.30.0-rc7 (v0.30.0 is outside it)
- CVE-2025-44005: v0.0.1-rc.1 to v0.29.0-rc1 (v0.29.0 is outside it)
- CVE-2025-66406: v0.0.1-rc.1 to v0.29.0-rc1 (v0.29.0 is outside it)

## Advisories (4)

### [CVE-2026-40097](https://cve.now/CVE-2026-40097): Step CA affected by an index out of bounds panic in TPM attestation EKU validation

- Severity: Low 3.7
- Published: Apr 10, 2026
- Affected: from 0.24.0, fixed in 0.30.0.
- Fixed in v0.30.0 (released Mar 18, 2026, 23 days before disclosure).
- The latest release, v0.30.2, is not affected.

### [CVE-2026-30836](https://cve.now/CVE-2026-30836): Step CA: Unauthenticated Certificate Issuance via SCEP UpdateReq (MessageType=18)

- Severity: Critical 10.0
- Published: Mar 19, 2026
- Affected: fixed in 0.30.0.
- Fixed in v0.30.0 (released Mar 18, 2026, 1 day before disclosure).
- The latest release, v0.30.2, is not affected.

### [CVE-2025-44005](https://cve.now/CVE-2025-44005): An attacker can bypass authorization checks and force a Step CA ACME or SCEP provisioner to create certificates without completing certain…

- Severity: Critical 10.0
- Published: Dec 17, 2025
- Affected: fixed in 0.29.0.
- Fixed in v0.29.0 (released Dec 3, 2025, 14 days before disclosure).
- The latest release, v0.30.2, is not affected.

### [CVE-2025-66406](https://cve.now/CVE-2025-66406): Improper Authorization Check for SSH Certificate Revocation

- Severity: Medium 5.0
- Published: Dec 3, 2025
- Affected: fixed in 0.29.0.
- Fixed in v0.29.0 (released Dec 3, 2025, the day of disclosure).
- The latest release, v0.30.2, is not affected.

---

Source: cve.now
Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.
Page: https://cve.now/packages/go/github.com/smallstep/certificates
Site guide for agents: https://cve.now/llms.txt
Uses NVD data; not endorsed by NVD.