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Threatist priority CRITICAL 0 HIGH 0 MEDIUM 1 LOW 1

Signals Exploited in the wild (KEV) 0 Patch available 2 No fix listed 0 Has CVE 2

Fix status Fixed 2 Partial 0 Will not fix 0 Deferred 0 No fix listed 0

Impact type Code execution 0 Privilege escalation 0 Security bypass 1 Information disclosure 0 Tampering 0 Denial of service 0 Spoofing 1 Cross-site scripting 0 SQL injection 0

Attack vector Network 2 Adjacent network 0 Local 0 Physical 0

Requirements No authentication 2 No user interaction 2

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Weakness (CWE) CWE-129 Improper Validation of Array Index 1 CWE-287 Improper Authentication 1 CWE-295 Improper Certificate Validation 1

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Vendor: smallstep × Component: Step-ca × Clear all filters

TI-2026-28924 CVE-2026-40097 · GHSA-9qq8-cgcv-qmc9

Step CA affected by an index out of bounds panic in TPM attestation EKU validation

Priority LOW 17

Step CA is an online certificate authority for secure, automated certificate management for DevOps.

CVSS 3.1LOW 3.7· Network · No auth · No interaction · EPSS 0.00188 · Published 2026-04-10 · Fixed in 0.30.0-rc3, 0.30.0 CWE-129

TI-2026-23665 CVE-2026-30836 · GHSA-q4r8-xm5f-56gw

Step CA: Unauthenticated Certificate Issuance via SCEP UpdateReq (MessageType=18)

Priority MEDIUM 49

Step CA is an online certificate authority for secure, automated certificate management for DevOps.

CVSS 3.1CRITICAL 10.0· Network · No auth · No interaction · EPSS 0.00308 · Published 2026-03-19 · Fixed in 0.30.0 CWE-287

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