{"data":{"id":"978fe5fe-2185-4ecc-a30c-d4d0d76c4ae9","title":"CVE-2026-112408 - Missing bucket ownership verification in Amazon SageMaker Python SDK default_bucket()","summary":"CVE-2026-112408 affects the default_bucket() function in the Amazon SageMaker Python SDK, which uses a predictably named S3 bucket without checking that the caller's AWS account owns it. A remote actor who creates that bucket first could achieve code execution in a remote SageMaker execution environment and obtain IAM credentials. Impacted versions are V2 before 2.257.3 and V3 from 3.0.0 before 3.10.0.","solution":"Fixed in V2 2.257.3 and V3 3.10.0, per the impacted version ranges given in the source.","labels":["security"],"sourceUrl":"https://aws.amazon.com/security/security-bulletins/rss/2026-142-aws/","publishedAt":"2026-10-21T21:32:10.000Z","cveId":null,"cweIds":null,"cvssScore":null,"cvssSeverity":null,"severity":"high","attackType":["supply_chain"],"issueType":"vulnerability","affectedPackages":null,"affectedPackageNames":null,"affectedPackageRefs":null,"affectedVendors":["Amazon"],"affectedVendorsRaw":["Amazon SageMaker Python SDK","Amazon SageMaker","Amazon S3"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":null,"headlinePromptVersion":null,"cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":null,"epssScore":null,"epssCheckedAt":null,"kevDateAdded":null,"advisoryAliases":null,"affectedPackagesSource":null,"affectedPackagesCheckedAt":null,"patchAvailable":null,"disclosureDate":"2026-10-21T21:32:10.000Z","capecIds":null,"crossRefCount":0,"attackSophistication":"moderate","impactType":["confidentiality","integrity"],"aiComponentTargeted":"framework","llmSpecific":false,"classifierConfidence":0.95,"researchCategory":null,"atlasIds":["AML.T0010"]}}