Privilege Escalation in AWS Ops Wheel v2 Cognito User Pool Configuration
CVE-2026-6912 is a privilege-escalation vulnerability in AWS Ops Wheel v2 caused by improper control over writable Amazon Cognito user attributes in the User Pool Client configuration. In affected deployments before PR #165, the Cognito UserPoolClient did not sufficiently restrict WriteAttributes for security-sensitive custom attributes used by the application’s authorization logic, including custom:deployment_admin and reportedly custom:wheel_group_id. As a result, any authenticated user in the deployment’s Cognito User Pool could invoke the Cognito UpdateUserAttributes API against their own profile and set custom:deployment_admin to a privileged value. On subsequent requests, the application trusted that attribute and treated the attacker as a deployment administrator. The issue is classified as CWE-915. Available context indicates AWS Ops Wheel v2 deployments from PR 147 through PR 163 are affected; v1 is not affected.
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A privilege escalation vulnerability in AWS Ops Wheel's Cognito User Pool configuration that allows remote authenticated users to gain deployment admin privileges and manage Cognito user accounts by crafting an UpdateUserAttributes API call.
An authenticated privilege escalation vulnerability in AWS Ops Wheel v2 caused by unrestricted Cognito UserPoolClient WriteAttributes, allowing users to set security-sensitive custom attributes such as custom:deployment_admin and gain full deployment admin privileges.
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