CVE-2026-83551: CWE-312 Cleartext storage of sensitive information in AWS sagemaker-python-sdk
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.
CVE-2026-83551: CWE-312 Cleartext storage of sensitive information in AWS sagemaker-python-sdk
Description
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 v3.1
Score 7.2high
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- AMZN
- Date Reserved
- 2026-08-31T18:27:06.063Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Is Cloud Service
- true
- Vendor Advisory Urls
- [{"url":"https://aws.amazon.com/security/security-bulletins/2026-093-aws/","vendor":"AWS"}]
Threat ID: 6a9717f4acd9273b490b16a6
Added to database: 09/01/2026, 18:22:44 UTC
Last updated: 09/01/2026, 19:22:46 UTC
Views: 6
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