CVE-2026-2393: A Server-Side Request Forgery (SSRF) vulnerability exists in MLflow versions prior to 3.9.0. The `_create_webhook()` fun

MLflow versions before 3.9.0 contain an SSRF vulnerability (server-side request forgery, where an attacker tricks a server into making requests to unintended targets) in the webhook creation function. An authenticated attacker can provide a malicious URL that causes MLflow's backend to send HTTP requests to internal services, cloud credential systems, or external servers, potentially exposing sensitive data or accessing restricted networks.