VDB
CVE-2026-30836
CVE-2026-30836
PUBLISHED
CVSS 10 CRITICAL
step-ca has Unauthenticated Certificate Issuance via SCEP UpdateReq (MessageType=18)
EPSS 0.32% · 23.6th percentile
Risk Scores
CVSS 3.1
10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
EPSS Score
0.32%
23.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| github.com | smallstep/certificates | 0, 0 |
| smallstep | step-ca | 0, 0.30.0 |
| smallstep | certificates | < 0.30.0, * |
Timeline
- Mar 19, 2026 CVE Published
- Mar 19, 2026 PoC Published
- Mar 20, 2026 EPSS Score
- Mar 20, 2026 Security Advisory
- Mar 21, 2026 EPSS Score
- Mar 22, 2026 Coalition ESS Score
- Mar 23, 2026 EPSS Score
- Mar 24, 2026 EPSS Score
- Apr 8, 2026 CVE Updated
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
References
- https://github.com/smallstep/certificates/security/advisories/GHSA-q4r8-xm5f-56gw url
- https://nvd.nist.gov/vuln/detail/CVE-2026-30836 advisory
- https://github.com/smallstep/certificates/commit/e6da031d5125cfd99fe9a26f74bb41e4dacca4ef url
- https://github.com/smallstep/certificates package
- https://github.com/smallstep/certificates/releases/tag/v0.30.0-rc7 url