CVE-2026-30836
step-ca has Unauthenticated Certificate Issuance via SCEP UpdateReq (MessageType=18) in github.com/smallstep/certificates
10.0
CRITICAL
CVSS 3.1
EPSS 0.01%
Description
step-ca has Unauthenticated Certificate Issuance via SCEP UpdateReq (MessageType=18) in github.com/smallstep/certificates
How to fix CVE-2026-30836
To remediate CVE-2026-30836, upgrade the affected package to a fixed version below.
- Go/github.com/smallstep/certificates—upgrade to 0.30.0 or later
- —upgrade to 0.30.0 or later
Is CVE-2026-30836 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.30.0
- from 0, < 0.30.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N |