Curl-url-http-3a-2f-2f169.254.169.254-2flatest-2fapi-2ftoken < 2026 Release >

This URL seems to be related to AWS (Amazon Web Services), specifically to the AWS Instance Metadata service.

SSRF occurs when an application fetches a remote resource without validating the URL. Attackers point the application to 169.254.169.254 . Under IMDSv1, the application blindly returns credentials. Under IMDSv2, the request fails because the application cannot perform the initial PUT request or pass the required headers. Transitioning to IMDSv2 Organizations should disable IMDSv1 globally. Update old SDKs and software libraries. Modify AWS launch templates to require IMDSv2. Use AWS Systems Manager to audit legacy instances. Mitigation via IAM Policies curl-url-http-3A-2F-2F169.254.169.254-2Flatest-2Fapi-2Ftoken

: This specific endpoint was introduced in AWS IMDSv2. It acts as the gatekeeper, requiring a client to generate a temporary session token via an HTTP PUT request before accessing any sensitive instance metadata. This URL seems to be related to AWS

Unexpected metadata service calls from non-EC2 IPs may indicate attempted privilege escalation. Under IMDSv1, the application blindly returns credentials