CVE-2026-83551

Cleartext storage of sensitive information in the @step and @remote decorator pipeline component in Amazon SageMaker Python SDK before v3.11.0 and v2.256.0 might allow an authenticated remote user to extract the HMAC signing key from SageMaker DescribePipeline API responses and forge valid integrity signatures for specially crafted function payloads, achieving code execution in another user's pipeline execution context within the same AWS account.

CVSS v3 7.2 HIGH

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://aws.amazon.com/security/security-bulletins/2026-093-aws/
https://github.com/aws/sagemaker-python-sdk/releases/tag/v2.256.0
https://github.com/aws/sagemaker-python-sdk/releases/tag/v3.11.0
https://github.com/aws/sagemaker-python-sdk/security/advisories/GHSA-7xmc-crrw-fv5r

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-01 19:17

Updated : 2026-09-03 16:44

NVD link : CVE-2026-83551

Mitre link : CVE-2026-83551

CVE.ORG link : CVE-2026-83551

JSON object : View

Products Affected

No product.

CWE

CWE-312

Cleartext Storage of Sensitive Information

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