AWSCloud9EnvironmentMember

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Summary

Provides the ability to be invited into AWS Cloud9 shared development environments.

Permissions imported from the AWS Managed Policy Reference Guide; other sections pending editorial review.

Identity

ARN: arn:aws:iam::aws:policy/AWSCloud9EnvironmentMember
Default version: v9
Created: 2017-11-30
Last edited: 2026-02-12
Services: cloud9, iam, ssm, ssmmessages

Control-plane actions (9)

By access level: 1 List, 5 Read, 3 Write.

Control-plane actions by service
Service	Granted	Access levels and limits	Granted by
Cloud9	4 of 29	3 Read, 1 Write; 1 restricted, 1 conditional	cloud9:DescribeEnvironmentMemberships, cloud9:GetMigrationExperiences, cloud9:GetUserSettings, cloud9:UpdateUserSettings
IAM	2 of 190	1 List, 1 Read; 0 restricted, 0 conditional	iam:GetUser, iam:ListUsers
Systems Manager	2 of 164	1 Read, 1 Write; 2 restricted, 1 conditional	ssm:GetConnectionStatus, ssm:StartSession
SSM Messages	1 of 4	1 Write; 1 restricted, 0 conditional	ssmmessages:OpenDataChannel

Cloud9: 4 actions

cloud9:DescribeEnvironmentMemberships (Read)
cloud9:GetMigrationExperiences (Read)
cloud9:GetUserSettings (Read)
cloud9:UpdateUserSettings (Write)

IAM: 2 actions

iam:GetUser (Read)
iam:ListUsers (List)

Systems Manager: 2 actions

ssm:GetConnectionStatus (Read)
ssm:StartSession (Write)

SSM Messages: 1 actions

ssmmessages:OpenDataChannel (Write)

Data-plane actions (0)

By access level: none.

This policy grants no actions in this plane.

Excluded and conditional actions

No patterns are excluded by NotAction or Deny statements.

Resource scope and attachment

Resource scope across granted actions: mixed.

Can be attached: Yes, to users, groups and roles.

Why this tier

Grants 3 write, tagging or permissions-management actions, short of full control of any service.

Guidance

Pending editorial review. The permission data on this page comes straight from AWS; this section will be filled in once a reviewed guide exists.

Same service

Same domain

Frequently asked questions

Pending editorial review. The permission data on this page comes straight from AWS; this section will be filled in once a reviewed guide exists.

Policy JSON

Download policy.json

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "cloud9:GetUserSettings",
        "cloud9:UpdateUserSettings",
        "cloud9:GetMigrationExperiences",
        "iam:GetUser",
        "iam:ListUsers"
      ],
      "Resource": "*"
    },
    {
      "Effect": "Allow",
      "Action": [
        "cloud9:DescribeEnvironmentMemberships"
      ],
      "Resource": [
        "*"
      ],
      "Condition": {
        "Null": {
          "cloud9:UserArn": "true",
          "cloud9:EnvironmentId": "true"
        }
      }
    },
    {
      "Effect": "Allow",
      "Action": [
        "ssm:StartSession",
        "ssm:GetConnectionStatus"
      ],
      "Resource": "arn:aws:ec2:*:*:instance/*",
      "Condition": {
        "StringLike": {
          "ssm:resourceTag/aws:cloud9:environment": "*"
        },
        "StringEquals": {
          "aws:CalledViaFirst": "cloud9.amazonaws.com"
        }
      }
    },
    {
      "Effect": "Allow",
      "Action": [
        "ssm:StartSession"
      ],
      "Resource": [
        "arn:aws:ssm:*:*:document/*"
      ]
    },
    {
      "Effect": "Allow",
      "Action": [
        "ssmmessages:OpenDataChannel"
      ],
      "Resource": [
        "arn:aws:ssm:*:*:session/*"
      ]
    }
  ]
}

Version history

Current version v9, edited by AWS on 2026-02-12. Version history is recorded from 2026-11-11. Earlier versions are in the IAM console under Policy versions.

Attach snippets

AWS CLI

aws iam attach-role-policy --role-name ROLE_NAME --policy-arn arn:aws:iam::aws:policy/AWSCloud9EnvironmentMember
aws iam attach-user-policy --user-name USER_NAME --policy-arn arn:aws:iam::aws:policy/AWSCloud9EnvironmentMember
aws iam attach-group-policy --group-name GROUP_NAME --policy-arn arn:aws:iam::aws:policy/AWSCloud9EnvironmentMember

CloudFormation

Resources:
  ExampleRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument: {}  # replace with your trust policy
      ManagedPolicyArns:
        - arn:aws:iam::aws:policy/AWSCloud9EnvironmentMember

Terraform

resource "aws_iam_role_policy_attachment" "awscloud9environmentmember" {
  role       = aws_iam_role.example.name
  policy_arn = "arn:aws:iam::aws:policy/AWSCloud9EnvironmentMember"
}

CDK (TypeScript)

role.addManagedPolicy(
  iam.ManagedPolicy.fromAwsManagedPolicyName("AWSCloud9EnvironmentMember"),
);

Sources

Pending editorial review. No editorial sources are listed yet.