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CVE-2026-1777

HIGH

7.2

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.

CVE Details

CVSS v3.1 Score7.2

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredHIGH

User InteractionNONE

Published2/2/2026

Last Modified2/3/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-319

References

https://aws.amazon.com/security/security-bulletins/2026-004-AWS/(ff89ba41-3aa1-4d27-914a-91399e9639e5)

https://github.com/aws/sagemaker-python-sdk/releases/tag/v2.256.0(ff89ba41-3aa1-4d27-914a-91399e9639e5)

https://github.com/aws/sagemaker-python-sdk/releases/tag/v3.2.0(ff89ba41-3aa1-4d27-914a-91399e9639e5)

https://github.com/aws/sagemaker-python-sdk/security/advisories/GHSA-rjrp-m2jw-pv9c(ff89ba41-3aa1-4d27-914a-91399e9639e5)

IOC Correlations

No correlations recorded

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