AWS S3: AccessDenied: Access Denied on PutObject / GetObject
AccessDenied: Access Denied at Request.extractError (/node_modules/@aws-sdk/client-s3/dist-cjs/index.js:412:21) { Code: 'AccessDenied', StatusCode: 403 }
Immediate Remediation
bash
Grant s3:GetObject and s3:PutObject in IAM Policy, disable S3 Block Public Access if serving public assets, and verify bucket CORS policy.
Root Cause Analysis
Encountered in AWS S3 / SDK when standard configuration or runtime constraints are violated.
Verification & Guardrails
- Verify dependencies and runtime version compatibility.
- Ensure clean build artifact state.
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