Improper Validation of Integrity Check Value Affecting sagemaker package, versions [2.199.0,2.257.2)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PYTHON-SAGEMAKER-16795363
- published22 May 2026
- disclosed21 May 2026
- creditUnknown
Introduced: 21 May 2026
CVE-2026-8597 (opens in a new tab)How to fix?
Upgrade sagemaker to version 2.257.2 or higher.
Overview
sagemaker is an Open source library for training and deploying models on Amazon SageMaker.
Affected versions of this package are vulnerable to Improper Validation of Integrity Check Value in the Triton inference handler. An attacker can execute arbitrary code with the SageMaker execution role's IAM permissions by uploading a specially crafted model artifact payload to the S3 path used by the handler, provided they have authenticated S3 write access to that location.
Workaround
This vulnerability can be mitigated by restricting S3 write access to model artifact paths to only trusted principals and monitoring for unintended modifications to files in model artifact S3 locations.