Mailpit is Vulnerable to Server-Side Request Forgery (SSRF) via Link Check API

Summary The Link Check API /api/v1/message/ID/link-check is vulnerable to Server-Side Request Forgery SSRF. The server performs HTTP HEAD requests to every URL found in an email without validating target hosts or filtering private/internal IP addresses. The response returns status codes and statu...

CVE-2026-27808

Mailpit is an email testing tool and API for developers. Prior to version 1.29.2, the Link Check API /api/v1/message/ID/link-check is vulnerable to Server-Side Request Forgery SSRF. The server performs HTTP HEAD requests to every URL found in an email without validating target hosts or filtering...