CVE-2026-30836: step-ca has Unauthenticated Certificate Issuance via SCEP UpdateReq (MessageType=18)
(updated )
An attacker can force a Step CA SCEP provisioner to create certificates without completing certain protocol authorization checks.
References
- github.com/advisories/GHSA-q4r8-xm5f-56gw
- github.com/smallstep/certificates
- github.com/smallstep/certificates/commit/e6da031d5125cfd99fe9a26f74bb41e4dacca4ef
- github.com/smallstep/certificates/releases/tag/v0.30.0-rc7
- github.com/smallstep/certificates/security/advisories/GHSA-q4r8-xm5f-56gw
- nvd.nist.gov/vuln/detail/CVE-2026-30836
Code Behaviors & Features
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