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CVE-2026-40097 Step CA affected by an index out of bounds panic in TPM attestation EKU validation

🗓️ 10 Apr 2026 16:34:53Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

CVE-2026-40097 Step CA panics during TPM attestation EKU validation with an empty EKU in a crafted attestation key; fixed in 0.30.0-rc3.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-40097
10 Apr 202616:34
attackerkb
Circl
CVE-2026-40097
10 Apr 202608:17
circl
CNNVD
Smallstep step-ca 输入验证错误漏洞
10 Apr 202600:00
cnnvd
CVE
CVE-2026-40097
10 Apr 202616:34
cve
EUVD
EUVD-2026-21506
10 Apr 202620:18
euvd
Github Security Blog
Step CA affected by an index out of bounds panic in TPM attestation EKU validation
10 Apr 202620:18
github
NVD
CVE-2026-40097
10 Apr 202617:17
nvd
OSV
GHSA-9QQ8-CGCV-QMC9 Step CA affected by an index out of bounds panic in TPM attestation EKU validation
10 Apr 202620:18
osv
OSV
MINI-C5WR-7MFX-JWMR
11 Apr 202621:02
osv
OSV
MINI-J347-365P-QH3G
11 Apr 202615:47
osv
Rows per page
[
  {
    "vendor": "smallstep",
    "product": "certificates",
    "versions": [
      {
        "version": ">= 0.24.0, < 0.30.0-rc3",
        "status": "affected"
      }
    ]
  }
]

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