Threats·Cloud & SaaSBreakingZammad Enterprise Helpdesk Session Hijacking Vulnerability Leads to Unauthenticated Remote Code Execution (CVE-2026-102489)An authentication bypass in Zammad helpdesk versions 6.3.0–6.5.4 allows remote attackers to hijack administrative sessions and achieve remote code execution.Priya Raman1 Oct 202611 min read