CVSS 3.1
10.0 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:NCVE-2026-30836
Critical (10.0) in smallstep step-ca. EPSS 0.3% chance of exploitation in the next 30 days. Fixed in github.com/smallstep/certificates 0.30.0.
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.
Severity
- EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 23% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-295, CWE-287
- Published
- Modified
- Record from
- the NVD, synced
Affected
- smallstep:step-ca
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-q4r8-xm5f-56gw | Go | github.com/smallstep/certificates | <0.30.0 | 0.30.0 |
| GO-2026-4775 | Go | github.com/smallstep/certificates | <0.30.0 | 0.30.0 |