Critical 10.0Published Mar 19, 2026

CVE-2026-30836Step CA is an online certificate authority for secure, automated certificate management for DevOps.

Updated under an hour ago (2026-10-19 10:23 UTC)

Does this affect you?

It affects smallstep step-ca. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for smallstep step-ca

Exploited in the last 30 days

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.

CVSS: 10.0 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Weakness (CWE): CWE-287, CWE-295
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

smallstep step-ca smallstep:step-ca	before 0.30.0; 0.30.0; 0.30.0; 0.30.0; 0.30.0; 0.30.0; 0.30.0	NVD

References

https://github.com/smallstep/certificates/commit/e6da031d5125cfd99fe9a26f74bb41e4dacca4efpatch
https://github.com/smallstep/certificates/releases/tag/v0.30.0-rc7release-notes
https://github.com/smallstep/certificates/security/advisories/GHSA-q4r8-xm5f-56gwvendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.