🚨 This week’s CrowdSec Threat Alert: CVE-2026-21859, a critical SSRF vulnerability in Mailpit, is being actively exploited to map internal networks and access sensitive infrastructure.
See how the exploit works, what targeted reconnaissance reveals, and why exposed dev tools can become high-impact entry points in our latest article 👉 https://crowdsec.net/vulntracking-report/cve-2026-21859







