FlagThis — Daily Cybersecurity Intelligence Briefing

Two critical Remote Code Execution (RCE) vulnerabilities, identified as CVE-2026-44128 and CVE-2026-2743, have been discovered in the SEPPMail Secure E-Mail Gateway, posing a severe risk to enterprise perimeters. These flaws allow unauthenticated remote attackers to bypass security controls, intercept sensitive communications, and execute arbitrary code, potentially facilitating full network compromise and lateral movement.