To use it, a client must:
To address this, I returned to the workflow template and updated the External API configuration to use a JPath expression on the r... Cyber Advisors Cloud Takeover
The string webhook-url-http-3A-2F-2F169.254.169.254-2Fmetadata-2Fidentity-2Foauth2-2Ftoken is a clear indicator of a Server-Side Request Forgery attempt targeting Azure cloud metadata. Organizations must aggressively monitor their application logs for requests targeting link-local addresses, implement robust input validation routines for all webhook systems, and lock down infrastructure identities to minimize the blast radius of potential compromises. To help protect your specific cloud environment, tell me: To use it, a client must: To address
The response contains an access token for the VM’s managed identity, which can authenticate to Azure services (Storage, Key Vault, SQL, etc.).
If a VM or container doesn’t need to access Azure AD-protected resources, . For those that do, assign the least privilege possible (e.g., a read-only role for a specific storage container, not Contributor on the subscription). To help protect your specific cloud environment, tell
169.254.169.254 is a used by major cloud providers (AWS, Azure, GCP, etc.) to expose instance metadata. In Azure, the full endpoint for managed identity tokens is:
If successful, the metadata service returns a JSON payload containing a JSON Web Token (JWT). Anyone who possesses this token inherits the exact cloud permissions assigned to that virtual machine. The Danger: Server-Side Request Forgery (SSRF) . For those that do
http://169.254.169.254/metadata/identity/oauth2/token
SSRF to AWS Metadata Exposure: How Attackers Steal Cloud ...