CVE-2026-6912

Improperly controlled modification of dynamically-determined object attributes in the Cognito User Pool configuration in AWS Ops Wheel before PR 165 allows remote authenticated users to escalate to deployment admin privileges and manage Cognito user accounts via a crafted UpdateUserAttributes API...

BugPoC: Users can Change their Own Email Address

BugPoC uses AWS Cognito for authentication and user pool management. @vasi42 noticed that they were able to use the Cognito API, UpdateUserAttributes, to update their own email address. Calling this API without subsequently calling the VerifyUserAttribute API puts your account into an unverified...