CVE-2026-1777
Cleartext transmission of sensitive materials in aws/sagemaker-python-sdk
- State
- Published
- Severity
- 8.5 High
- Published
- Feb 2, 2026
- Updated
- Feb 4, 2026
- Reserved
- Feb 2, 2026
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 | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.5 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H | AMZN |
| 3.1 | 7.2 High | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | AMZN |
Weaknesses
- CWE-319 Cleartext Transmission of Sensitive Information
Affected Products
| Product | Versions |
|---|---|
SageMaker Python SDKAWS |
|
References
- https://aws.amazon.com/security/security-bulletins/2026-004-AWS/vendor-advisory
- https://github.com/aws/sagemaker-python-sdk/security/advisories/GHSA-rjrp-m2jw-pv9cthird-party-advisory
- https://github.com/aws/sagemaker-python-sdk/releases/tag/v3.2.0patch
- https://github.com/aws/sagemaker-python-sdk/releases/tag/v2.256.0patch
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.