CVE-2026-1777

HIGH EPSS 36.3%
Published Feb 2, 20265mo ago · Modified Jun 17, 20262w ago
8.5 CVSS 4.0
High
Find Similar
Published Feb 2, 2026 5mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
8.5
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
36.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-319

References 4

  • aws.amazon.com https://aws.amazon.com/security/security-bulletins/2026-004-AWS/
  • github.com https://github.com/aws/sagemaker-python-sdk/releases/tag/v2.256.0
  • github.com https://github.com/aws/sagemaker-python-sdk/releases/tag/v3.2.0
  • github.com https://github.com/aws/sagemaker-python-sdk/security/advisories/GHSA-rjrp-m2jw-pv9c

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.