smallstep vulnerabilities

4 published CVEs name smallstep among the affected products.

Critical 2High 0Medium 1Low 1Not scored 0

CVEs per yearBy the year they were published

CVE-2026-40097
Step CA affected by an index out of bounds panic in TPM attestation EKU validation
smallstep · certificates
Low3.7
CVE-2026-30836
Step CA: Unauthenticated Certificate Issuance via SCEP UpdateReq (MessageType=18)
smallstep · certificates
Critical10.0
CVE-2025-44005
An attacker can bypass authorization checks and force a Step CA ACME or SCEP provisioner to create certificates without completing certain protocol…
smallstep · Step-CA
Critical10.0
CVE-2025-66406
Improper Authorization Check for SSH Certificate Revocation
smallstep · certificates
Medium5.0