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CVE-2026-8596 Cleartext storage of HMAC signing key in Amazon SageMaker Python SDK ModelBuilder/Serve path

🗓️ 14 May 2026 19:35:51Reported by AMZNType 
cvelist
 cvelist
🔗 www.cve.org👁 32 Views

Remote attacker can extract HMAC signing key from SageMaker responses, enabling forged signatures and potential code execution.

Related
Affected
Refs
[
  {
    "vendor": "Amazon SageMaker Python SDK",
    "product": "AWS",
    "versions": [
      {
        "status": "affected",
        "version": "2.199.0",
        "lessThanOrEqual": "2.257.1",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "3.0.0",
        "lessThanOrEqual": "3.7.1",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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