[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fEV9BxLh7rHsWdQEfcllozNizzsWV7nh1zwhaaCM3Uq8":3},{"lesson":4},{"id":5,"slug":6,"article_id":7,"title":8,"body":9,"prevention":10,"framework_refs":11,"status":18,"created_at":19,"published_at":20,"article":21,"tags":24},"19fa55ee-8a1f-4e5b-a173-5fd24464ab79","aws-bedrock-agent-privilege-escalation-via-overprivileged-iam-roles","33af9c82-6a07-47fb-b04a-6209195452bf","AWS Bedrock Agent Privilege Escalation via Overprivileged IAM Roles","Amazon Bedrock AgentCore's starter toolkit automatically generates IAM roles with excessive permissions that violate the principle of least privilege, creating a pathway for privilege escalation attacks. When developers use these default configurations in production environments, a single compromised agent can gain unauthorized access to other agents' data, container images, and sensitive resources across the AWS account. This vulnerability demonstrates the critical importance of reviewing and customizing auto-generated security configurations rather than deploying them as-is. AWS has acknowledged the issue by updating documentation to clarify that default roles are intended only for development and testing environments.","**Immediate actions:**\n- Review all existing Bedrock Agent IAM roles and remove unnecessary permissions\n- Replace auto-generated IAM roles with custom roles following least privilege principles\n- Audit current production deployments using default Bedrock configurations\n\n**Long-term improvements:**\n- Establish mandatory security reviews for all auto-generated cloud configurations before production deployment\n- Implement IAM policy validation tools to detect overprivileged roles during deployment\n- Create organization-specific templates for Bedrock agents with minimal required permissions\n\n**Monitoring measures:**\n- Enable CloudTrail logging to monitor unusual cross-agent access patterns\n- Set up alerts for privilege escalation attempts and unauthorized resource access",[12,13,14,15,16,17],"CIS Control 6.1","CIS Control 6.2","NIST AC-2","NIST AC-6","NIST CM-2","AWS Well-Architected Security Pillar","published","2026-04-25T04:10:03.28307+00:00","2026-04-25T04:10:02.926+00:00",{"id":7,"url":22,"title":23},"https:\u002F\u002Fbit.ly\u002F4mssGAM","Cracks in the Bedrock: Agent God Mode",[25,31],{"id":26,"name":27,"slug":28,"description":29,"color":30},"1ec88fde-2d0f-4ed8-932a-33f5ccc0fdc7","Access Control","access-control","Excessive privileges, missing MFA, weak auth","#f97316",{"id":32,"name":33,"slug":34,"description":35,"color":36},"859cf0ad-a7e9-42bb-a75d-bac6511fa5d5","Configuration Management","configuration-management","Misconfigs, default credentials, exposed services","#eab308"]