CVE-2026-1777

HIGH

Amazon SageMaker Python SDK <v3.2.0,v2.256.0 - Info Disclosure

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 7.2
EPSS 0.0002
EPSS Percentile 5.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-319
Status published
Products (3)
AWS/SageMaker Python SDK 2.256.0
AWS/SageMaker Python SDK 3.2.0
pypi/sagemaker 3.0 - 3.2.0PyPI
Published Feb 02, 2026
Tracked Since Feb 18, 2026