Curl-url-http-3a-2f-2f169.254.169.254-2flatest-2fapi-2ftoken May 2026

The IP address is a link-local address used by AWS to provide the Instance Metadata Service (IMDS) . Every EC2 instance can query this address to retrieve information about itself—such as its instance ID, public IP, IAM role credentials, and security groups—without needing to call the AWS API externally. The Evolution: From IMDSv1 to IMDSv2

The /latest/api/token endpoint is part of the AWS Instance Metadata Service. When you make a request to this endpoint, you are essentially asking for a token that can be used to access other metadata about the instance. curl-url-http-3A-2F-2F169.254.169.254-2Flatest-2Fapi-2Ftoken

The specific URL you mentioned is the endpoint for retrieving a session token on AWS EC2 instances, a key part of . This version was designed specifically to mitigate SSRF (Server-Side Request Forgery) vulnerabilities. The Story of IMDSv2 The IP address is a link-local address used

– A community-driven encyclopedia that explains the transition from an attacker’s perspective, showing exactly how IMDSv2 stops classic exploitation techniques. Practical Command Example When you make a request to this endpoint,

: This is the specific endpoint in IMDSv2 used to request a session token.