CVE-2026-83551 — Cleartext storage of HMAC signing key in Amazon SageMaker Python SDK @step/@remote pipeline path
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 authen…
Published: 2026-09-01 · CVSS: 8.5 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7