🚨 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

#CVE #CVE202621859 #threatalert #cybersecurity

CVE-2026-21859: Critical SSRF in Mailpit Exposes Internal Networks

CVE-2026-21859 is a critical SSRF vulnerability in Mailpit actively exploited in targeted attacks. Learn how it exposes internal networks.