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CVE-2026-18654 Disabled SSH host key verification in Amazon AWS CLI EMR helper commands

🗓️ 03 Aug 2026 19:38:51Reported by AMZNType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

MITM risk in EMR SSH from disabled host key verification; upgrade AWS CLI.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-18654
3 Aug 202619:38
attackerkb
cve
CVE
CVE-2026-18654
3 Aug 202619:38
cve
euvd
EUVD
EUVD-2026-52415
3 Aug 202619:38
euvd
nvd
NVD
CVE-2026-18654
3 Aug 202620:17
nvd
ptsecurity
Positive Technologies
PT-2026-67492
3 Aug 202600:00
ptsecurity
[
  {
    "vendor": "AWS",
    "product": "aws-cli",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThanOrEqual": "1.45.27",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "0",
        "lessThanOrEqual": "2.35.2",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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