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CVE-2026-8597— Missing integrity verification in Triton inference handler in Amazon SageMaker Python SDK

CVSS 7.2 · High EPSS 0.04% · P14

Affected Version Matrix 2

VendorProductVersion RangeStatus
Amazon SageMaker Python SDKAWS2.199.0≤ 2.257.1affected
3.0.0≤ 3.7.1affected
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I. Basic Information for CVE-2026-8597

Vulnerability Information
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Vulnerability Title
Missing integrity verification in Triton inference handler in Amazon SageMaker Python SDK
Source: NVD (National Vulnerability Database)
Vulnerability Description
Missing integrity verification in the Triton inference handler in Amazon SageMaker Python SDK v2 before v2.257.2 and v3 before v3.8.0 might allow a remote authenticated actor to achieve code execution in inference containers via replacement of model artifacts in S3 with a specially crafted pickle payload that is deserialized without verification. This issue requires a remote authenticated actor with S3 write access to the model artifact path. To remediate this issue, we recommend upgrading to Amazon SageMaker Python SDK v2.257.2 or v3.8.0 and rebuild any Triton models previously created with ModelBuilder using the updated SDK.
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
完整性检查值验证不恰当
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 v2.257.2之前版本和v3.8.0之前版本存在安全漏洞，该漏洞源于Triton推理处理程序缺少完整性验证，可能导致远程认证攻击者通过替换S3中的模型工件为特制pickle有效载荷实现推理容器中的代码执行。
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

VendorProductAffected VersionsCPESubscribe
Amazon SageMaker Python SDKAWS 2.199.0 ~ 2.257.1 -

II. Public POCs for CVE-2026-8597

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 6994 chars
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III. Intelligence Information for CVE-2026-8597

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Vendor Advisories for CVE-2026-8597 (2)

Vendor Pages for CVE-2026-8597 (2)

IV. Related Vulnerabilities

Same product: AWS
Same vendor: Amazon SageMaker Python SDK
Same weakness: CWE-354

V. Comments for CVE-2026-8597

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