BatchServiceRolePolicy

Last Modified

Aug 5, 2026

August 5, 2026 at 06:03 PM UTC

Version

Total Versions

Created

Aug 5, 2026

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Risk

Medium

The same capabilities in a scoped form, resource policy writes, reads across all data, or full access to a whole service. Read from this policy document alone: trust policies, boundaries and SCPs in your account still decide what actually succeeds. How this is assessed

Medium
Can launch resources that run as a more privileged role
Grants the actions of 6 documented escalation paths, but only on named resources or under a condition. Review that scope before trusting it.
- ec2-001iam:PassRole + ec2:RunInstancesscoped
  - iam:PassRole: condition iam:PassedToService
- ecs-002iam:PassRole + ecs:CreateCluster + ecs:RegisterTaskDefinition + ecs:RunTaskscoped
  - iam:PassRole: condition iam:PassedToService
  - ecs:CreateCluster: condition aws:RequestTag/AWSBatchServiceTag
  - ecs:RegisterTaskDefinition: condition aws:RequestTag/AWSBatchServiceTag
- ecs-004iam:PassRole + ecs:RegisterTaskDefinition + ecs:RunTaskscoped
  - iam:PassRole: condition iam:PassedToService
  - ecs:RegisterTaskDefinition: condition aws:RequestTag/AWSBatchServiceTag
- ecs-005iam:PassRole + ecs:RegisterTaskDefinition + ecs:StartTaskscoped
  - iam:PassRole: condition iam:PassedToService
  - ecs:RegisterTaskDefinition: condition aws:RequestTag/AWSBatchServiceTag
- ecs-008iam:PassRole + ecs:RunTaskscoped
  - iam:PassRole: condition iam:PassedToService
- ecs-009iam:PassRole + ecs:StartTaskscoped
  - iam:PassRole: condition iam:PassedToService
Use with caution: Check which roles, users or policies fall inside the scope shown above. Within it the escalation works as documented, so keep privileged principals out of it.

IAM Access Analyzer (1)

Error / INVALID_SERVICE
The service elastic-inference does not exist. Use a valid service name. AWS docs

Policy Document

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292{
  "PolicyVersion": {
    "Document": {
      "Version": "2012-10-17",
      "Statement": [
        {
          "Sid": "AWSBatchPolicyStatement1",
          "Effect": "Allow",
          "Action": [
            "ec2:DescribeAccountAttributes",
            "ec2:DescribeInstances",
            "ec2:DescribeInstanceStatus",
            "ec2:DescribeInstanceAttribute",
            "ec2:DescribeSubnets",
            "ec2:DescribeSecurityGroups",
            "ec2:DescribeKeyPairs",
            "ec2:DescribeImages",
            "ec2:DescribeImageAttribute",
            "ec2:DescribeSpotInstanceRequests",
            "ec2:DescribeSpotFleetInstances",
            "ec2:DescribeSpotFleetRequests",
            "ec2:DescribeSpotPriceHistory",
            "ec2:DescribeSpotFleetRequestHistory",
            "ec2:DescribeVpcClassicLink",
            "ec2:DescribeLaunchTemplateVersions",
            "ec2:RequestSpotFleet",
            "autoscaling:DescribeAccountLimits",
            "autoscaling:DescribeAutoScalingGroups",
            "autoscaling:DescribeLaunchConfigurations",
            "autoscaling:DescribeAutoScalingInstances",
            "autoscaling:DescribeScalingActivities",
            "eks:DescribeCluster",
            "ecs:DescribeCapacityProviders",
            "ecs:DescribeClusters",
            "ecs:DescribeContainerInstances",
            "ecs:DescribeTaskDefinition",
            "ecs:DescribeTasks",
            "ecs:ListClusters",
            "ecs:ListContainerInstances",
            "ecs:ListTaskDefinitionFamilies",
            "ecs:ListTaskDefinitions",
            "ecs:ListTasks",
            "ecs:DeregisterTaskDefinition",
            "ecs:TagResource",
            "ecs:ListAccountSettings",
            "logs:DescribeLogGroups",
            "iam:GetInstanceProfile",
            "iam:GetRole"
          ],
          "Resource": "*"
        },
        {
          "Sid": "AWSBatchPolicyStatement2",
          "Effect": "Allow",
          "Action": [
            "logs:CreateLogGroup",
            "logs:CreateLogStream"
          ],
          "Resource": "arn:aws:logs:*:*:log-group:/aws/batch/job*"
        },
        {
          "Sid": "AWSBatchPolicyStatement3",
          "Effect": "Allow",
          "Action": [
            "logs:PutLogEvents"
          ],
          "Resource": "arn:aws:logs:*:*:log-group:/aws/batch/job*:log-stream:*"
        },
        {
          "Sid": "AWSBatchPolicyStatement4",
          "Effect": "Allow",
          "Action": [
            "autoscaling:CreateOrUpdateTags"
          ],
          "Resource": "*",
          "Condition": {
            "Null": {
              "aws:RequestTag/AWSBatchServiceTag": "false"
            }
          }
        },
        {
          "Sid": "AWSBatchPolicyStatement5",
          "Effect": "Allow",
          "Action": "iam:PassRole",
          "Resource": [
            "*"
          ],
          "Condition": {
            "StringEquals": {
              "iam:PassedToService": [
                "ec2.amazonaws.com",
                "ec2.amazonaws.com.cn",
                "ecs.amazonaws.com",
                "ecs-tasks.amazonaws.com"
              ]
            }
          }
        },
        {
          "Sid": "AWSBatchPolicyStatement6",
          "Effect": "Allow",
          "Action": "iam:CreateServiceLinkedRole",
          "Resource": "*",
          "Condition": {
            "StringEquals": {
              "iam:AWSServiceName": [
                "spot.amazonaws.com",
                "spotfleet.amazonaws.com",
                "autoscaling.amazonaws.com",
                "ecs.amazonaws.com",
                "ecs-compute.amazonaws.com"
              ]
            }
          }
        },
        {
          "Sid": "AWSBatchPolicyStatement7",
          "Effect": "Allow",
          "Action": [
            "ec2:CreateLaunchTemplate"
          ],
          "Resource": "*",
          "Condition": {
            "Null": {
              "aws:RequestTag/AWSBatchServiceTag": "false"
            }
          }
        },
        {
          "Sid": "AWSBatchPolicyStatement8",
          "Effect": "Allow",
          "Action": [
            "ec2:TerminateInstances",
            "ec2:CancelSpotFleetRequests",
            "ec2:ModifySpotFleetRequest",
            "ec2:DeleteLaunchTemplate"
          ],
          "Resource": "*",
          "Condition": {
            "Null": {
              "aws:ResourceTag/AWSBatchServiceTag": "false"
            }
          }
        },
        {
          "Sid": "AWSBatchPolicyStatement9",
          "Effect": "Allow",
          "Action": [
            "autoscaling:CreateLaunchConfiguration",
            "autoscaling:DeleteLaunchConfiguration"
          ],
          "Resource": "arn:aws:autoscaling:*:*:launchConfiguration:*:launchConfigurationName/AWSBatch*"
        },
        {
          "Sid": "AWSBatchPolicyStatement10",
          "Effect": "Allow",
          "Action": [
            "autoscaling:CreateAutoScalingGroup",
            "autoscaling:UpdateAutoScalingGroup",
            "autoscaling:SetDesiredCapacity",
            "autoscaling:DeleteAutoScalingGroup",
            "autoscaling:SuspendProcesses",
            "autoscaling:PutNotificationConfiguration",
            "autoscaling:TerminateInstanceInAutoScalingGroup"
          ],
          "Resource": "arn:aws:autoscaling:*:*:autoScalingGroup:*:autoScalingGroupName/AWSBatch*"
        },
        {
          "Sid": "AWSBatchPolicyStatement11",
          "Effect": "Allow",
          "Action": [
            "ecs:DeleteCluster",
            "ecs:DeregisterContainerInstance",
            "ecs:PutClusterCapacityProviders",
            "ecs:RunTask",
            "ecs:StartTask",
            "ecs:StopTask",
            "ecs:UpdateCluster"
          ],
          "Resource": "arn:aws:ecs:*:*:cluster/AWSBatch*"
        },
        {
          "Sid": "AWSBatchPolicyStatement12",
          "Effect": "Allow",
          "Action": [
            "ecs:RunTask",
            "ecs:StartTask",
            "ecs:StopTask"
          ],
          "Resource": "arn:aws:ecs:*:*:task-definition/*"
        },
        {
          "Sid": "AWSBatchPolicyStatement13",
          "Effect": "Allow",
          "Action": [
            "ecs:StopTask"
          ],
          "Resource": "arn:aws:ecs:*:*:task/*/*"
        },
        {
          "Sid": "AWSBatchPolicyStatement14",
          "Effect": "Allow",
          "Action": [
            "ecs:CreateCluster",
            "ecs:RegisterTaskDefinition"
          ],
          "Resource": "*",
          "Condition": {
            "Null": {
              "aws:RequestTag/AWSBatchServiceTag": "false"
            }
          }
        },
        {
          "Sid": "AWSBatchPolicyStatement15",
          "Effect": "Allow",
          "Action": "ec2:RunInstances",
          "Resource": [
            "arn:aws:ec2:*::image/*",
            "arn:aws:ec2:*::snapshot/*",
            "arn:aws:ec2:*:*:subnet/*",
            "arn:aws:ec2:*:*:network-interface/*",
            "arn:aws:ec2:*:*:security-group/*",
            "arn:aws:ec2:*:*:volume/*",
            "arn:aws:ec2:*:*:key-pair/*",
            "arn:aws:ec2:*:*:launch-template/*",
            "arn:aws:ec2:*:*:placement-group/*",
            "arn:aws:ec2:*:*:capacity-reservation/*",
            "arn:aws:ec2:*:*:elastic-gpu/*",
            "arn:aws:elastic-inference:*:*:elastic-inference-accelerator/*",
            "arn:aws:resource-groups:*:*:group/*"
          ]
        },
        {
          "Sid": "AWSBatchPolicyStatement16",
          "Effect": "Allow",
          "Action": "ec2:RunInstances",
          "Resource": "arn:aws:ec2:*:*:instance/*",
          "Condition": {
            "Null": {
              "aws:RequestTag/AWSBatchServiceTag": "false"
            }
          }
        },
        {
          "Sid": "AWSBatchPolicyStatement17",
          "Effect": "Allow",
          "Action": [
            "ec2:CreateTags"
          ],
          "Resource": [
            "*"
          ],
          "Condition": {
            "StringEquals": {
              "ec2:CreateAction": [
                "RunInstances",
                "CreateLaunchTemplate",
                "RequestSpotFleet"
              ]
            }
          }
        },
        {
          "Sid": "AWSBatchPolicyStatement18",
          "Effect": "Allow",
          "Action": [
            "ecs:CreateCapacityProvider",
            "ecs:UpdateCapacityProvider",
            "ecs:DeleteCapacityProvider"
          ],
          "Resource": "arn:aws:ecs:*:*:capacity-provider/AWSBatch*"
        },
        {
          "Sid": "AWSBatchPolicyStatement19",
          "Effect": "Allow",
          "Action": [
            "ecs:TagResource",
            "ecs:UntagResource"
          ],
          "Resource": [
            "arn:aws:ecs:*:*:capacity-provider/AWSBatch*"
          ]
        }
      ]
    },
    "VersionId": "v8",
    "IsDefaultVersion": true,
    "CreateDate": "2026-08-05T17:12:14+00:00"
  }
}

Version History (12 recorded)

Raw history

v8updated

7 actions added

Aug 5, 2026

5a3ee01

4 never-before-seen actions: ecs:CreateCapacityProvider, ecs:DeleteCapacityProvider, ecs:PutClusterCapacityProviders, ecs:UpdateCapacityProvider

v7updated

scope changed, no action added or removed

Mar 12, 2026

81f7305

Update detected