Webhook-url-http-3a-2f-2f169.254.169.254-2fmetadata-2fidentity-2foauth2-2ftoken
: Specifies that the request is looking for identity-related info.
: The IMDS responds with a valid JWT (JSON Web Token). : Specifies that the request is looking for
A is a way for an application to provide other applications with real-time information. When you see a "Webhook URL" field in a web application, the app is essentially saying, "Give me a URL, and I will send data to it." When you see a "Webhook URL" field in
: If the application displays the "response" of the webhook (common in debugging tools), the attacker now has a functional access token. the app is essentially saying
: The server, thinking it’s sending a notification to an external service, instead sends a GET request to the local metadata endpoint.
If you see this URL appearing in your logs or as a suggested input, take the following steps: