Webhook-url-http-3a-2f-2f169.254.169.254-2fmetadata-2fidentity-2foauth2-2ftoken [TRUSTED]

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."

: This is the "keys to the kingdom" request. It asks the IMDS to generate an OAuth 2.0 access token for the resource (like Key Vault, Storage, or SQL) that the VM is authorized to access. Why "Webhook-URL" makes it Dangerous A is a way for an application to

: Use host-level firewalls to restrict which processes can talk to the metadata IP. Why "Webhook-URL" makes it Dangerous : Use host-level

Understanding the Risky Webhook: http://169.254.169 In the world of cloud security, certain URLs act as "canaries in the coal mine." One of the most critical and dangerous strings you might encounter in a configuration or a security log is: webhook-url-http://169.254.169 . : Never allow webhooks to point to internal

: If the application displays the "response" of the webhook (common in debugging tools), the attacker now has a functional access token.

: Never allow webhooks to point to internal or link-local IP ranges. Use an allowlist for domains or block the 169.254.0.0/16 range entirely.

If you see this URL appearing in your logs or as a suggested input, take the following steps: