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VULNERABILITIES

CVE-2026-83551 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: AMZNCVSS-B:7.2 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://aws.amazon.com/security/security-bulletins/2026-093-aws/ AMZN
https://github.com/aws/sagemaker-python-sdk/releases/tag/v2.256.0 AMZN
https://github.com/aws/sagemaker-python-sdk/releases/tag/v3.11.0 AMZN
https://github.com/aws/sagemaker-python-sdk/security/advisories/GHSA-7xmc-crrw-fv5r AMZN

Weakness Enumeration

CWE-IDCWE NameSource
CWE-312Cleartext Storage of Sensitive InformationAMZN

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-83551
NVD Published Date:
Sep 1, 2026
NVD Last Modified:
Sep 3, 2026
Source:
AMZN