//free\\ - Callback-url-http-3a-2f-2f169.254.169.254-2flatest-2fmeta Data-2fiam-2fsecurity Credentials-2f

AWS provides the Instance Metadata Service (IMDS) at the non-routable IP address 169.254.169.254 . This service allows applications running on an EC2 instance to retrieve information about the instance itself without needing an external API call.

: This updated version requires a session-oriented "token-based" approach. An attacker cannot simply perform a GET request; they must first perform a PUT request to get a token, which most SSRF vulnerabilities cannot do. You can find migration guides on the AWS Documentation page. AWS provides the Instance Metadata Service (IMDS) at

: With these credentials, an attacker can perform any action the server is authorized to do, such as accessing S3 buckets, modifying databases, or launching new instances. Mitigation: IMDSv2 An attacker cannot simply perform a GET request;

This specific path returns the name of the IAM role assigned to the instance. A follow-up request to .../security-credentials/[role-name] would return the AccessKeyId , SecretAccessKey , and Token . Mitigation: IMDSv2 This specific path returns the name