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CVE-2026-92943 Improper validation of certificate with host mismatch in AWS IoT Device SDK for Python

🗓️ 17 Sep 2026 19:14:56Reported by AMZNType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Improper validation of certificate with host mismatch in the MQTT client TLS connection layer in AWS IoT Device SDK for Python 1.5.3 through 1.6.0 on Python 3.7 and later might allow an adversary-in-the-middle actor to impersonate the AWS IoT Core...

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Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-92943
17 Sep 202621:00
circl
cve
CVE
CVE-2026-92943
17 Sep 202619:14
cve
euvd
EUVD
EUVD-2026-82378
17 Sep 202619:14
euvd
nvd
NVD
CVE-2026-92943
17 Sep 202620:18
nvd
vulnrichment
Vulnrichment
CVE-2026-92943 Improper validation of certificate with host mismatch in AWS IoT Device SDK for Python
17 Sep 202619:14
vulnrichment
[
  {
    "vendor": "AWS",
    "product": "AWSIoTPythonSDK",
    "versions": [
      {
        "status": "affected",
        "version": "1.5.3",
        "lessThanOrEqual": "1.6.0",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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17 Sep 2026 19:17Current
CVSS 3.18.1
CVSS 49.2
5