CVE-2026-112408
HighCVSS 8.1Exploitation Probability (EPSS)
Elevated risk55th percentile - higher than 55% of all known CVEs
Summary
Missing verification of source of a communication channel in the default_bucket() function in Amazon SageMaker Python SDK V3 before 3.10.0 and V2 before 2.257.3 might allow remote actors to achieve code execution in the target SageMaker execution environment and obtain IAM credentials via pre-creation of a predictably named S3 bucket that the SDK uses without ownership validation.
Risk Assessment
This could lead to code execution and theft of IAM credentials, posing a serious threat to cloud security.
Recommendation
Upgrade Amazon SageMaker Python SDK to version 3.10.0 (V3) or 2.257.3 (V2).
Other vulnerabilities in Amazon SageMaker Python SDK
See all- CVE-2026-110248Medium
Insertion of sensitive information into log files in the git_utils[.]py component in Amazon SageMaker Python SDK V3 before 3.10.0 and V2 before 2.257.3 might allow an authenticated remote user to obtain plaintext repository credentials from CloudWatch Logs when a git clone operation fails, because the runclone_command() function does not redact credentials from subprocess error output. To remediate this issue, users should upgrade to Amazon SageMaker Python SDK V3 3.10.0 or V2 2.257.3.
- CVE-2026-83551High
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 DescribePipeline API responses and forge valid integrity signatures for crafted function payloads, achieving code execution in another user's pipeline execution context within the same AWS account.
- CVE-2026-8597High
Missing integrity verification in the Triton inference handler in Amazon SageMaker Python SDK v2 before v2.257.2 and v3 before v3.8.0 might allow a remote authenticated actor to achieve code execution in inference containers via replacement of model artifacts in S3 with a specially crafted pickle payload that is deserialized without verification.
- CVE-2026-8596High
The ModelBuilder/Serve components in Amazon SageMaker Python SDK before v2.257.2 and v3 before v3.8.0 have cleartext storage of sensitive information. This may allow a remote authenticated actor to extract the HMAC signing key from SageMaker API responses and forge valid integrity signatures for specially crafted model artifacts, leading to code execution in inference containers.
Original NVD description (English source)
Missing verification of source of a communication channel in the default_bucket() function in Amazon SageMaker Python SDK V3 before 3.10.0 and V2 before 2.257.3 might allow remote actors to achieve code execution in the target SageMaker execution environment and obtain IAM credentials via pre-creation of a predictably named S3 bucket that the SDK uses without ownership validation. To remediate this issue, users should upgrade to Amazon SageMaker Python SDK 3.10.0 (V3) or 2.257.3 (V2).
Vulnerability data from NVD (NIST) · CISA KEV · EPSS