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Vulnerabilities CVE-2026-8597

CVE-2026-8597

High
Open
TLP:CLEAR

Missing integrity verification in Triton inference handler in Amazon SageMaker Python SDK

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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.

Details

CVSS Score
7.2
EPSS Score
0.39%

31.9th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Confidence
90%
Published
May 14, 2026
Last Modified
May 14, 2026
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