CVSS 4.0
8.5 highCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:HCVE-2026-1777
High (8.5). EPSS 0.5% chance of exploitation in the next 30 days. Fixed in sagemaker 2.256.0, 3.2.0.
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.
Severity
CVSS 3.1
7.2 highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 43% of CVEs (scores of 2026-10-31)
- CWE
- CWE-319
- Published
- Modified
- Record from
- the NVD, synced
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-rjrp-m2jw-pv9c | PyPI | sagemaker | >=3.0 <3.2.0 | 3.2.0 |
| GHSA-rjrp-m2jw-pv9c | PyPI | sagemaker | <2.256.0 | 2.256.0 |
| PYSEC-2026-1888 | PyPI | sagemaker | <2.256.0 >=3.0 <3.2.0 | 2.256.0, 3.2.0 |