Webhook-url-http-3a-2f-2f169.254.169.254-2fmetadata-2fidentity-2foauth2-2ftoken ~repack~ -
The URL you provided is a critical security indicator for a Server-Side Request Forgery (SSRF) attack specifically targeting Azure cloud infrastructure
- Block access to link-local metadata IP from untrusted processes using host firewall (iptables, nftables) or VPC-level controls where supported.
- Apply egress filtering so only approved processes can reach the metadata service.
Immediate Actions
- Exploit the Azure Instance Metadata Service: The URL could be used to exploit a vulnerability in the Azure Instance Metadata Service, allowing an attacker to retrieve sensitive information, such as an OAuth2 token.
- Obtain unauthorized access: If an attacker can obtain an OAuth2 token, they may be able to use it to authenticate with Azure services, potentially gaining unauthorized access to sensitive resources.
Requirements:
To successfully call this endpoint, you must include the HTTP header Metadata: true . Example Request: curl 'http://169.254.169' -H "Metadata:true" Use code with caution. Copied to clipboard 🛡️ Security Risk: SSRF Vulnerability The URL you provided is a critical security
http://169.254.169.254/metadata/identity/oauth2/token is a sensitive endpoint within the Azure Instance Metadata Service (IMDS) used to retrieve OAuth2 access tokens for a virtual machine's Managed Identity Block access to link-local metadata IP from untrusted