CVE-2026-1777
February 02, 2026
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.
Affected Packages
https://github.com/aws/sagemaker-python-sdk.git (GITHUB):
Affected version(s) >=v3.0.0 <v3.2.0Fix Suggestion:
Update to version v3.2.0https://github.com/aws/sagemaker-python-sdk.git (GITHUB):
Affected version(s) >=v1.0.0 <v2.256.0Fix Suggestion:
Update to version v2.256.0sagemaker (PYTHON):
Affected version(s) >=3.0 <3.2.0Fix Suggestion:
Update to version 3.2.0sagemaker (PYTHON):
Affected version(s) >=1.0.0 <2.256.0Fix Suggestion:
Update to version 2.256.0Related Resources (9)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.5
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
7.2
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
EPSS
Base Score:
0.01
