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CVE PROGRAM SOURCE RECORD8.5 High

CVE-2026-83551

Cleartext storage of HMAC signing key in Amazon SageMaker Python SDK @step/@remote pipeline path

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Status
Published
Published
Updated
Assigning organization
AMZN

Description

Cleartext storage of sensitive information in the @step and @remote decorator pipeline component in Amazon SageMaker Python SDK before v3.11.0 and v2.256.0 might allow an authenticated remote user to extract the HMAC signing key from SageMaker DescribePipeline API responses and forge valid integrity signatures for specially crafted function payloads, achieving code execution in another user's pipeline execution context within the same AWS account.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

AWS sagemaker-python-sdk

Default version status: unaffected

  • 0 to < 3.11.0affected
  • 0 to < 2.256.0affected

References