Description

The Amazon SageMaker Python SDK before v3.2.0 and v2.256.0 includes the ModelBuilder HMAC signing key in the cleartext response elements of the DescribeTrainingJob function. A third party with permissions to both call this API and permissions to modify objects in the Training Jobs S3 output location may have the ability to upload arbitrary artifacts which are executed the next time the Training Job is invoked.

INFO

Published Date :

2026-02-02T20:10:03.308Z

Last Modified :

2026-02-04T16:28:49.875Z

Source :

AMZN
AFFECTED PRODUCTS

The following products are affected by CVE-2026-1777 vulnerability.

Vendors Products
Amazon
  • Sagemaker Python Sdk
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-1777.

URL Resource
https://aws.amazon.com/security/security-bulletins/2026-004-AWS/ cve-icon cve-icon
https://github.com/aws/sagemaker-python-sdk/releases/tag/v2.256.0 cve-icon cve-icon
https://github.com/aws/sagemaker-python-sdk/releases/tag/v3.2.0 cve-icon cve-icon
https://github.com/aws/sagemaker-python-sdk/security/advisories/GHSA-rjrp-m2jw-pv9c cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact