CVEvulnerability

CVE-2026-30836

10.0 CRITICAL Published 2026-03-19 Modified 2026-06-17 Official page ↗

Status: Analyzed
Published: 2026-03-19
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 10.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Weaknesses: CWE-287, CWE-295

Description

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.

Affected configurations

• smallstep step-ca (< 0.30.0) • smallstep step-ca 0.30.0

Weakness · CWE (2)

CWE-287 Improper Authentication weakness
CWE-295 Improper Certificate Validation weakness

References

https://github.com/smallstep/certificates/commit/e6da031d5125cfd99fe9a26f74bb41e4dacca4ef Patch
https://github.com/smallstep/certificates/releases/tag/v0.30.0-rc7 Release Notes
https://github.com/smallstep/certificates/security/advisories/GHSA-q4r8-xm5f-56gw Vendor Advisory

CVE-2026-30836

Description

Affected configurations

Related

Weakness · CWE (2)

References