CVE-2026-1777— Cleartext transmission of sensitive materials in aws/sagemaker-python-sdk
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I. Basic Information for CVE-2026-1777
Vulnerability Information
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Vulnerability Title
Cleartext transmission of sensitive materials in aws/sagemaker-python-sdk
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Amazon SageMaker Python SDK before v3.2.0 and v2.256.0 includes the ModelBuilder HMAC signing key in the cleartext response elements of the DescribeTrainingJob function. A third party with permissions to both call this API and permissions to modify objects in the Training Jobs S3 output location may have the ability to upload arbitrary artifacts which are executed the next time the Training Job is invoked.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
敏感数据的明文传输
Source: NVD (National Vulnerability Database)
Vulnerability Title
Amazon SageMaker Python SDK 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Amazon SageMaker Python SDK是美国亚马逊（Amazon）公司的一个构件、训练和部署机器学习模型的开发者工具包。 Amazon SageMaker Python SDK v3.2.0之前版本和v2.256.0之前版本存在安全漏洞，该漏洞源于DescribeTrainingJob函数的明文响应中包含ModelBuilder HMAC签名密钥，可能导致第三方上传并执行任意工件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| AWS | SageMaker Python SDK | - | - |
II. Public POCs for CVE-2026-1777
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|---|
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- Security Findings in SageMaker Python SDKvendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-1777
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V. Comments for CVE-2026-1777
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